योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-187, verse-58

एवं हि रसतन्मात्रं गन्धतन्मात्रमेव च ।
असत्यमेव सदिव स्वप्नाभमिव चेत्यते ॥ ५८ ॥

evaṃ hi rasatanmātraṃ gandhatanmātrameva ca ,
asatyameva sadiva svapnābhamiva cetyate 58

58. evam hi rasatanmātram gandhatanmātram eva ca
asatyam eva sat iva svapnābham iva ca ityate

58. evam hi,
rasatanmātram gandhatanmātram ca eva,
asatyam eva sat iva svapnābham iva ca ityate.

58. In this manner, indeed, the subtle element of taste (rasatanmātra) and also the subtle element of smell (gandhatanmātra) are perceived as unreal, yet appearing as if real, just like a dream (svapnābha).

Words meanings summery:

• एवम् (evam) - in this manner (thus, in this manner, so)

• हि (hi) - indeed, surely (indeed, surely, because)

• रसतन्मात्रम् (rasatanmātram) - subtle element of taste

• गन्धतन्मात्रम् (gandhatanmātram) - subtle element of smell

• एव (eva) - only, indeed, just

• च (ca) - and also (and, also)

• असत्यम् (asatyam) - unreal (unreal, false, non-existent)

• एव (eva) - indeed, only (only, indeed, just)

• सत् (sat) - real (real, existent, being)

• इव (iva) - as if (like, as, as if)

• स्वप्नाभम् (svapnābham) - like a dream (dream-like, resembling a dream)

• इव (iva) - just like (like, as, as if)

• च (ca) - and, also

• इत्यते (ityate) - is perceived (is perceived, is thought, is considered)

Words meanings and morphology

एवम् (evam) - in this manner (thus, in this manner, so)

(indeclinable)

adverb

हि (hi) - indeed, surely (indeed, surely, because)

(indeclinable)

particle

रसतन्मात्रम् (rasatanmātram) - subtle element of taste

(noun)

Nominative, neuter, singular of rasatanmātra

rasatanmātra - subtle element of taste, pure taste

compound of rasa (taste) and tanmātra (subtle element)

Compound type : karmadhāraya or tatpuruṣa (rasa+tanmātra)

• rasa – taste, flavor, essence, sentiment
  noun (masculine)
• tanmātra – subtle element, 'that alone'
  noun (neuter)
  compound of tad (that) and mātra (measure, mere)

गन्धतन्मात्रम् (gandhatanmātram) - subtle element of smell

(noun)

Nominative, neuter, singular of gandhatanmātra

gandhatanmātra - subtle element of smell, pure smell

compound of gandha (smell) and tanmātra (subtle element)

Compound type : karmadhāraya or tatpuruṣa (gandha+tanmātra)

• gandha – smell, odor, fragrance
  noun (masculine)
• tanmātra – subtle element, 'that alone'
  noun (neuter)
  compound of tad (that) and mātra (measure, mere)

एव (eva) - only, indeed, just

(indeclinable)

च (ca) - and also (and, also)

(indeclinable)

conjunction

असत्यम् (asatyam) - unreal (unreal, false, non-existent)

(adjective)

Nominative, neuter, singular of asatya

asatya - unreal, false, untrue, non-existent

negation (a-) of satya (real, true)

Compound type : nañ-tatpuruṣa (a+satya)

• a – not, non-
  indeclinable
  negative prefix
• satya – true, real, truth
  adjective (neuter)
  derived from sat (being, existence)

Note: Qualifies the tanmātras.

एव (eva) - indeed, only (only, indeed, just)

(indeclinable)

Note: Reinforces the preceding word.

सत् (sat) - real (real, existent, being)

(adjective)

Nominative, neuter, singular of sat

sat - real, existent, true, being

present active participle

present participle of root 'as' (to be)

Root: as (class 2)

Note: Used substantively as 'that which is real'.

इव (iva) - as if (like, as, as if)

(indeclinable)

स्वप्नाभम् (svapnābham) - like a dream (dream-like, resembling a dream)

(adjective)

Nominative, neuter, singular of svapnābha

svapnābha - dream-like, resembling a dream

compound of svapna (dream) and ābha (resembling, like)

Compound type : upamāna-pūrvapada karmadhāraya (svapna+ābha)

• svapna – dream, sleep
  noun (masculine)
• ābha – resembling, like, similar
  adjective (masculine)
  derived from root bhā (to shine, appear) with prefix ā
  Prefix: ā
  Root: bhā (class 2)

Note: Qualifies the perceived unreality as dream-like.

इव (iva) - just like (like, as, as if)

(indeclinable)

च (ca) - and, also

(indeclinable)

conjunction

इत्यते (ityate) - is perceived (is perceived, is thought, is considered)

(verb)

3rd person , singular, passive, present (laṭ) of itya

present passive 3rd singular

derived from the root 'cit' (to perceive, understand) in passive voice, or denominative from 'iti'.

Root: cit (class 10)