योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-41, verse-53

अतः किं वास्यते केन कस्य वा वासना कुतः ।
कथं स्वप्ननरेणाङ्ग मृगतृष्णाम्बु पीयते ॥ ५३ ॥

ataḥ kiṃ vāsyate kena kasya vā vāsanā kutaḥ ,
kathaṃ svapnanareṇāṅga mṛgatṛṣṇāmbu pīyate 53

53. ataḥ kim vāsyate kena kasya vā vāsanā kutaḥ
katham svapna-nareṇa aṅga mṛgatṛṣṇā-ambu pīyate

53. aṅga,
ataḥ kim kena vāsyate? vā kasya vāsanā kutaḥ? katham svapnanareṇa mṛgatṛṣṇāmbu pīyate?

53. Therefore, what exactly is imbued by whom? Or, from whom does a latent impression (vāsanā) arise? O dear one, how can a person in a dream drink mirage water?

Words meanings summery:

• अतः (ataḥ) - therefore, hence, from this

• किम् (kim) - what, why, how

• वास्यते (vāsyate) - is imbued, is permeated, is perfumed, is influenced

• केन (kena) - by whom, by what

• कस्य (kasya) - of whom, of what

• वा (vā) - or, either, and

• वासना (vāsanā) - latent impression, mental predisposition, desire, tendency

• कुतः (kutaḥ) - whence, from where, why

• कथम् (katham) - how, in what manner

• स्वप्न-नरेण (svapna-nareṇa) - by a dream-man, by a person in a dream

• अङ्ग (aṅga) - O dear one, O friend, indeed, please

• मृगतृष्णा-अम्बु (mṛgatṛṣṇā-ambu) - mirage water, water of a mirage

• पीयते (pīyate) - is drunk

Words meanings and morphology

अतः (ataḥ) - therefore, hence, from this

(indeclinable)

Ablative suffix -tas added to the pronominal stem a- (this).

किम् (kim) - what, why, how

(indeclinable)

Interrogative pronominal stem.

वास्यते (vāsyate) - is imbued, is permeated, is perfumed, is influenced

(verb)

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

Present Passive

Passive form of the causative stem (vāsaya) of √vas (to dwell/perfume), or a direct passive from a denominative verb based on vāsanā.

Root: vas (class 1)

केन (kena) - by whom, by what

(pronoun)

Instrumental, masculine/neuter, singular of kim

kim - what, which

Interrogative pronominal stem.

कस्य (kasya) - of whom, of what

(pronoun)

Genitive, masculine/neuter, singular of kim

kim - what, which

Interrogative pronominal stem.

वा (vā) - or, either, and

(indeclinable)

वासना (vāsanā) - latent impression, mental predisposition, desire, tendency

(noun)

Nominative, feminine, singular of vāsanā

vāsanā - latent impression, mental predisposition, desire, tendency, perfuming, dwelling

Derived from √vas (to dwell, to perfume).

Root: vas

कुतः (kutaḥ) - whence, from where, why

(indeclinable)

Ablative suffix -tas added to the pronominal stem ka- (what, which).

कथम् (katham) - how, in what manner

(indeclinable)

Adverb formed from the interrogative stem ka-.

स्वप्न-नरेण (svapna-nareṇa) - by a dream-man, by a person in a dream

(noun)

Instrumental, masculine, singular of svapnanara

svapnanara - dream-man, a person existing in a dream

Compound type : tatpuruṣa (svapna+nara)

• svapna – dream, sleep
  noun (masculine)
  Derived from √svap 'to sleep'.
  Root: svap (class 2)
• nara – man, person, human being
  noun (masculine)

अङ्ग (aṅga) - O dear one, O friend, indeed, please

(indeclinable)

मृगतृष्णा-अम्बु (mṛgatṛṣṇā-ambu) - mirage water, water of a mirage

(noun)

Accusative, neuter, singular of mṛgatṛṣṇāmbu

mṛgatṛṣṇāmbu - mirage water

Compound type : tatpuruṣa (mṛgatṛṣṇā+ambu)

• mṛgatṛṣṇā – mirage, deer's thirst
  noun (feminine)
  Compound of mṛga (deer) and tṛṣṇā (thirst).
• ambu – water
  noun (neuter)

पीयते (pīyate) - is drunk

(verb)

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

Present Passive

Passive form of √pā (to drink).

Root: pā (class 1)