香境Smell-domain
色法十一之第八。五境之第三。為鼻根（→#62）所緣、鼻識（→#3）所緣之相分。集論列六種香（T1606）：三質性軸 + 三起源軸。
漢zh · Xuanzang 譯
色法十一之第八。五境之第三。為鼻根（→#62）所緣、鼻識（→#3）所緣之相分。集論列六種香（《大乘阿毘達磨雜集論》）：三質性軸 + 三起源軸。
經
[共傳] SA 273 攝 / DN 22 標準形式：
Ghānañca paṭicca gandhe ca uppajjati ghāna-viññāṇaṃ. 緣鼻與香，生鼻識。
[大乘] 《大佛頂首楞嚴經》卷五（香嚴童子香塵圓通章），二十五圓通之第三「妙香密圓」：
香嚴童子，即從座起，頂禮佛足，而白佛言：我聞如來教我諦觀諸有為相。我時辭佛，宴晦清齋，見諸比丘燒沈水香，香氣寂然來入鼻中。我觀此氣，非木非空，非煙非火，去無所著，來無所從，由是意銷，發明無漏。如來印我得香嚴號。塵氣倏滅，妙香密圓，我從香嚴，得阿羅漢。佛問圓通，如我所證，香嚴為上。
——⭐ 香嚴童子之圓通法門：以沉水香之來去無自性為非實體論觀照之入路。「非木非空，非煙非火，去無所著，來無所從」之四非否定——香之現象生起不可歸於任何實體因（不從燃燒之木、不從虛空、不從煙之物質、不從火之能源），亦無實體歸宿（去無所著）；以此緣起之徹底化觀照，「意銷」（識之執著消解）、「發明無漏」（現觀無漏智慧）。
論
《大乘阿毘達磨雜集論》（T31n1606_p0696b13）展開六種香：
香者，四大種所造鼻根所取義。謂好香、惡香、平等香、俱生香、和合香、變異香。當知此香三因建立，謂相故、損益故、差別故。俱生香者，旃檀那等。和合香者，謂和香等。變異香者，謂熟果等。
⭐ 二軸 + 六種：
| 軸 | 數 | 內容 |
|---|---|---|
| 質性軸（情感） | 3 | 好香（surabhi，如沉檀）/ 惡香（asurabhi，如腐臭）/ 平等香（sama，中性） |
| 起源軸（因建立） | 3 | 俱生香（sahaja，本性自有，如旃檀）/ 和合香（sāṃyogika，混合所成）/ 變異香（pāriṇāmika，熟果轉化所成） |
「三因建立」者：相（現象之標）/ 損益（情感取捨）/ 差別（分類分判）——《大乘阿毘達磨雜集論》 自註。
《大乘五蘊論》（T31n1612_p0848b19–20）最簡形式：
云何為香？謂鼻境界，好香、惡香、及所餘香。
——《大乘五蘊論》 簡為三分質性軸（「及所餘香」隱含 sama 與起源軸之合併）；《大乘阿毘達磨雜集論》 / 《瑜伽師地論》 完展六種。
按：香境之集論結構較聲境（十一種）簡，較色境（二十五種）尤簡——香之現象學較不需認識軸（香無法承載教義內容如聲），亦不需詳細之空間／光影細分（如色之顯/形/光影/特殊）。香境之六種開展反映其在感官態之分層中之中段位置：較色聲為簡，較味觸為精。
梵saṃskṛta
gandha-viṣaya < gandha（香、氣味）+ viṣaya（境；詳 #65）。
gandha ——⚠️ 印歐祖語詞源不確立。√gandh「嗅、有氣味」為 denominative back-formation（從 gandha 反推之動詞根），非 attested 印歐祖語首要 root。Indo-Iranian 之外無穩固對應；前雅利安語底層詞之基底假說（同 #65 rūpa 之情況）為較強之治學位置。en 段不主張 IE 同源鏈。Pāli gandha 直承同形（無音變；Skt-Pāli identity 之 rare 例之一）。
⭐⭐ synchronic Sanskrit word-family：gandha（香）/ gandhin（有氣味者）/ ⭐ gandharva（乾闥婆，「食香神」——天樂神、中陰身食香說）/ sugandha（妙香）/ durgandha（惡臭）/ gandhāra（犍陀羅，地名「香之地」？）。梵文內部詞家穩固，印歐祖語外向不確。⭐ gandharva 之義理重要性：佛教中陰身（antarābhava）以食香為生，故「香食」之概念於阿毘達磨中以 gandharva 為命名原型；gandha 詞根之文化承擔超越單純嗅覺。
⚠ In Review · False-cognate alert：拉丁 fragrāre「散發香氣」（→ English fragrance, fragrant）< 印歐祖語 *bʰreh₁g-「破、出氣」non-cognate with Skt gandha 或 ghrāṇa（→#62）；子音 onset 不規則對應，現代印歐語言學不認同源。English 之 fragrance 不可作為 gandha 之 IE 同源援例。
《阿毘達磨集論》（Abhidharma-samuccaya，Pradhan 校本 [Abhidh-s 4]）：
gandhaḥ katamaḥ / catvāri mahābhūtānyupādāya ghrāṇendriya-grāhyo 'rthaḥ / yathā surabhir asurabhiḥ samagandhaḥ sahajagandhaḥ sāṃyogikagandhaḥ pāriṇāmikagandhaśca //
按：5 境樣板 instantiated（Y = ghrāṇa）。成唯識仿譯：T1606「鼻根所取義」為 ghrāṇendriya-grāhyo 'rthaḥ 之逐字漢譯；六種香 (3+3) 為 Asg 之逐字展開。世親 T1612 之 simplification（3-重質性 only）反映唯識前簡約傳統，post-conversion 瑜伽行派（Asg / T1606 / 《瑜伽師地論》）展全 6-重。
巴pāḷi
南傳 28 色法之 gandha-rūpa，於 visaya 群之第三。
| 瑜伽行派 | 南傳 | 對應度 |
|---|---|---|
| gandha-viṣaya（6 種） | gandha-ārammaṇa（3 情感: iṭṭha-gandha / aniṭṭha-gandha / majjhima-gandha） | ⚠️ asymmetric (Yogācāra richer) |
⭐ Skt-Pāli identity：gandha → gandha（無音變）——香境為 5 境中 Skt-Pāli 字面完全 identical 之例（同 #64 身根之 kāya → kāya identity）。
質性軸（surabhi/asurabhi/sama ↔ iṭṭha/aniṭṭha/majjhima）南北 完全收斂；起源軸 3 種（俱生 / 和合 / 變異）為瑜伽行派-distinctive，南傳無對應之系統分判。
經
Ghānañca paṭicca gandhe ca uppajjati ghāna-viññāṇaṃ（DN 22, SN 35.93）
論
⚠ In Review · Vism XIV.74 gandha-rūpa 四相逐字 Pāli 待字元核校。南傳 Dhs 注疏對 gandha 之分判止於 3 情感 + 「sahetuka / nippanna」之 minimal 起源 distinction，不及 Asg 之 sahaja/sāṃyogika/pāriṇāmika 精細 3-重。
按：香境之南北 asymmetry 規模小於聲境（瑜伽行派 +3 vs +8）但模式相同——瑜伽行派對五境之 internal structuring 全面 richer than 南傳之 standard analysis，非教義分歧而是闡發程度之分。香境作為 5 境中之 mid-闡發處，可表面此南北結構模式之穩定性：色（25 vs N/A）、聲（11 vs 3）、香（6 vs 3）、味（12 vs 3）、觸（22-23+4 vs 3 大 + vikāra 3）——瑜伽行派之 expansion 沿全 5 境 uniform，乃唯識對 abhidharma 系統之系統地闡發。
漢綜述zh-synthesis
「香境」之梵文 gandha ——⚠️ 印歐祖語詞源不確立。√gandh「嗅、有氣味」為名詞反推動詞根（denominative back-formation，從名詞 gandha 反推而來），非有文獻攝持之印歐祖語首要根。印伊語系之外無穩固對應；前雅利安語底層詞假說（同 →#65 rūpa 之情況）為較強之治學位置。阿維斯塔語 gantu- 之音韻對應尚未確認——⚠️ 存疑，不作為印歐祖語鏈條依據；如實保留不確定性。Pāli gandha 與梵文完全同形（無音變；Skt-Pāli 字面一致例）。⚠️ false-cognate alert：英 fragrance < 拉丁 fragrāre < 印歐祖語 *bʰreh₁g-「破、出氣」——與 gandha 及 →#62 ghrāṇa 皆無詞源連繫，子音對應不規則，現代印歐語言學不認同源。⭐ 梵文共時（synchronic）詞族穩固：gandha（香）/ gandhin（有氣味者）/ sugandha（妙香）/ durgandha（惡臭）/ ⭐ gandharva（乾闥婆，「食香神」——天樂神；佛教中陰身 antarābhava 以食香為生，故 gandha 詞根之承擔超越單純嗅覺境界）。漢字「香」象器皿上散溢之穀物香，玄奘以「香境」取「可嗅之境域」義。
Asg 五境句法於香境實例化（Y = ghrāṇa-indriya；詳 →#65）：gandhaḥ katamaḥ / catvāri mahābhūtānyupādāya ghrāṇendriya-grāhyo 'rthaḥ——依四大種，為鼻根所取之事。香境之內部分軸為兩軸六種（《大乘阿毘達磨雜集論》）：質性軸三種（好香 surabhi / 惡香 asurabhi / 平等香 sama）、起源軸三種（俱生香 sahaja——旃檀那等本性自有 / 和合香 sāṃyogika——混合所成 / 變異香 pāriṇāmika——熟果等轉化所成）。《大乘阿毘達磨雜集論》自注「三因建立，謂相故、損益故、差別故」——現象之標 / 情感取捨 / 分類分判。《大乘五蘊論》簡為三分質性軸（「及所餘香」隱含餘者）；Asg /《大乘阿毘達磨雜集論》展全六種。與 →#62 鼻根為對，與 →#3 鼻識為所行境。香境無認識軸（香不承載教義內容如聲），結構較 →#66 聲境簡，於五境內部分判中居中段位置（詳 →#65 §梵 樣板表）。
gandha-viṣaya ↔ gandha-ārammaṇa（南傳 28 色之 visaya 群第三）：頂層直接對應，包括 Skt-Pāli 字面完全一致（gandha = gandha）之少見例。質性軸南北完全會通（梵 surabhi/asurabhi/sama ↔ 巴 iṭṭha/aniṭṭha/majjhima）；起源軸三種（俱生 / 和合 / 變異）為唯識所立之分判（詳 →#65 南北段）。共傳經式：Ghānañca paṭicca gandhe ca uppajjati ghāna-viññāṇaṃ（DN 22、SN 35.93；漢 SA 273 同式）。Vism XIV 香境四相待字元核校。
香境之修持進路較色聲身觸為窄，但所存者現象學上精細。其一，剎那觀——香之生起達峰消散，具時間弧線，無法長持如色；念處嗅門（「嗅、嗅」之念）以香之無常為觀所緣。其二，香嚴童子之四非否定（→#67 [大乘] 圓通段）——以沉水香之來去無自性為緣起觀照：「非木非空，非煙非火，去無所著，來無所從」之四非，逐一否定四種候選實體因，達「意銷、發明無漏」之非實體論現觀；此乃緣起觀於嗅境之架構性實例。⭐ gandharva（乾闥婆）之中陰身食香義（→詞源）隱含嗅境於佛教存在論中之延伸：香境之「可食性」於中陰教義中另有含義，不限於嗅覺現象學。
玄奘漢譯「香境」以「香」（好氣味，引申一切可嗅氣味）+ 「境」（識所達域）合成，能攝好香 / 惡香 / 平等香三分之全幅。英譯選 Smell-domain 而非 Odor-domain 或 Scent-domain——smell 中性（可好可惡），對應「香境」不限好香之語義全幅；scent 偏好香、odor 偏化學或惡臭語感，均不如 smell 中性。本條於五境 cluster 中居第三，六種分類之架構詳 S3 色法論文及驗證報告。不可見、有對。
香境 —— 五境之第三。為 →#62 鼻根之所緣境，為 →#3 鼻識之所行境；依四大種，香塵為性，可嗅為業；兩軸立六種香（質性軸 3 + 起源軸 3）；不可見、有對。
英綜述en-synthesis
Sanskrit gandha-viṣaya compounds gandha ("odor, scent, fragrance") and viṣaya (see #65). Gandha has no securely established Indo-European etymology: the postulated √gandh ("to smell") is a denominative back-formation from the noun, not an attested primary verbal root, and the term has no robust IE cognate set outside Indo-Iranian. The pre-Aryan substrate hypothesis (parallel to rūpa at #65) is the stronger scholarly position. Pāli gandha is identical in spelling and pronunciation to the Sanskrit (no sound change at all) — a rare Skt-Pāli identity case shared with kāya at #64. Within Sanskrit itself the word generates a robust synchronic family: gandha (odor), gandhin (one with odor), sugandha (fragrant), durgandha (foul-smelling), and most doctrinally significant gandharva — the "scent-eater" celestial musician, who in Buddhist abhidharmic tradition also names the intermediate-state being (antarābhava) thought to subsist on smell rather than gross food. The doctrinal weight of the gandh-root extends well beyond the simple sense-perception domain. (False-cognate alert: English fragrance, fragrant < Latin fragrāre < PIE *bʰreh₁g- "to break, exhale" — not cognate with Skt gandha or ghrāṇa; the surface phonetic similarity is misleading and modern Indo-European linguistics rejects the connection. Same issue arose at #62 ghrāṇa-indriya.) English odor < Latin odor < PIE *h₃ed- "to smell" (cf. Greek ὄζω) — also independent of Sanskrit.
The smell-domain in Yogācāra is the third of the five viṣayas and elaborates along two axes yielding six sub-types (per 《大乘阿毘達磨雜集論》): a qualitative axis (surabhi pleasant, asurabhi unpleasant, sama neutral) and an origin axis (sahaja "co-arisen, native" smells like sandalwood whose fragrance is intrinsic to the substance; sāṃyogika "compound, mixed" smells from blends and combinations; pāriṇāmika "transformative" smells from ripening or chemical change, like fruit). The 《大乘阿毘達磨雜集論》 metacommentary glosses the basis for the six-fold division as 「三因建立」 ("three causes for the establishment"): lakṣaṇa (phenomenal mark — what the smell IS), hāni-vṛddhi (loss-and-gain affective valence — pleasant/unpleasant), and viśeṣa (taxonomic difference — what makes one smell different from another). Among the five viṣayas, smell occupies a mid-level position in the abhidharmic hierarchy of internal complexity: less elaborated than form (25 sub-types) or sound (11 sub-types), more elaborated than taste (six) or touch (twenty-two — the latter elaborated through different mechanisms involving mahābhūta primary qualities). The relative simplicity of the smell-domain's structure may reflect its phenomenological character: smell does not bear doctrinal content (sounds carry teaching), does not have spatial-luminal articulation (form does), and does not have the immediate karmic-bodily entanglement (touch and taste do). Smell is comparatively pure "affect" — pleasant or unpleasant in its native register, categorizable by origin, but not the medium of complex semantic or proprioceptive content.
Gandha-viṣaya ↔ gandha-ārammaṇa: top-level identity, including the rare phonological identity (gandha = gandha, no sound change). The qualitative axis (Skt surabhi/asurabhi/sama ↔ Pāli iṭṭha/aniṭṭha/majjhima) is fully shared. The origin axis (sahaja/sāṃyogika/pāriṇāmika) is Yogācāra-distinctive: Theravāda's standard analysis does not provide a parallel three-fold origin distinction for smells (its rūpa-classification operates on different organizing principles, and smell is not given comparable internal articulation). The pattern is consistent with the broader N-S divergence first registered at #65 (form-domain): Yogācāra elaborates the inner architecture of fewer dharma-types; Theravāda atomistically lists more dharma-types with simpler internal sub-structure. Smell-domain's case is structurally mild — Yogācāra adds three sub-types beyond what Theravāda explicitly enumerates, but the canonical formula and the affective-classification are fully shared. The Pāli sutta formula ghānañca paṭicca gandhe ca uppajjati ghāna-viññāṇaṃ is canonical (DN 22, SN 35.93, parallels), and the Sanskrit canonical parallel via SA 273's "如是" extension is fully shared inheritance.
The smell-domain has narrower contemplative engagement than form, sound, or body in the canonical practice traditions, but the engagement that does exist works at a phenomenologically distinctive seam. First, smell as direct anicca-observation: smell, like sound (#66), is structurally ephemeral — odor arises, peaks, dissipates with characteristic temporal arc, and unlike sustained visual fields or tactile contact, an odor cannot be held for examination. Practitioners attending to smell in the satipaṭṭhāna register quickly experience the dharma's claim that "all formations are impermanent" not as proposition but as the very texture of the smell-experience itself. Second, the Śūraṅgama-sūtra's Xiāng-yán-tóng-zǐ yuán-tōng (#67 [大乘]) develops a particularly precise dependent-arising contemplation through smell: observing the sandalwood incense's fragrance, the practitioner asks where it comes from — not from the wood (since unburnt wood is not fragrant), not from empty space (which is permanent while fragrance is intermittent), not from smoke (which is a separate phenomenon), not from fire (which has no inherent fragrance). The four-fold negation (fēi mù fēi kōng, fēi yān fēi huǒ, 非木非空，非煙非火) is a structural performance of pratītyasamutpāda's claim that no individual phenomenon contains the full causal explanation of any other — fragrance arises from a causal nexus none of whose components, taken individually, suffices to produce it. The practitioner who follows this contemplation through to its conclusion experiences the smell dissolving along with the conceptual reification of "where smells come from": 「意銷，發明無漏」 (consciousness's grasping disengages; the unconditioned manifests). The move is precise and rare: most contemplative traditions use form or breath; the smell-faculty's yuán-tōng is a comparatively specialized and phenomenologically refined practice. Third, smell as karmic indicator: the abhidharmic tradition has subsidiary teachings about smell as marker of karmic state (the various scents associated with different rebirth-realms, the fragrance phenomena reported around accomplished practitioners). These extend smell-faculty contemplation into the broader Buddhist cosmological framework but lie outside the standard 100-dharma classification. ⚠️ Provenance caveat per #60 譯者按.
Smell-domain (gandha-viṣaya) — the olfactory field cognized by nose-consciousness, classified along two axes: qualitative (pleasant, unpleasant, neutral) and origin (native — intrinsic to the substance like sandalwood; compound — from blending; transformative — from ripening or chemical change); six sub-types in 《大乘阿毘達磨雜集論》. An aspect-portion of consciousness; mid-level in the elaboration-hierarchy of the five sense-objects; the contemplative anchor of the Śūraṅgama Xiāng-yán-tóng-zǐ yuán-tōng's four-fold negation contemplation on the dependent arising of fragrance.
譯translator's note
譯者按： 五境範式之結構分析詳 S3 色法論文（⚠️ 論文編號待確認）。值得標記之 #67 獨特觀察為香嚴童子之四非否定（非木非空、非煙非火）作為緣起觀照之現象學上精細案例——以沉水香之芳香為單一現象而追問其實體因，逐一否定四種候選（材料 / 空間 / 中介物 / 能源），達「意銷、發明無漏」之非實體論現觀；此乃五境圓通中現象學分析最架構性之一例（→#62 鼻根之安那般那念為呼吸之觀照、此處 #67 為香之觀照——鼻態之兩種實踐進路）。⭐ 梵文 gandharva（乾闥婆，「食香神」）與本條同根，於教義上重要：佛教中陰身食香說以此為命名原型。（[大乘] 楞嚴圓通引文之來源框架詳 #60 譯者按 §[大乘] 引文選用說明。）