योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-39, verse-14

प्राणेषु रन्ध्रनवके प्रवृत्तेष्वथ तस्य चित् ।
चेत्योन्मुखी बभूवान्तः प्राणदर्पणबिम्बिता ॥ १४ ॥

prāṇeṣu randhranavake pravṛtteṣvatha tasya cit ,
cetyonmukhī babhūvāntaḥ prāṇadarpaṇabimbitā 14

14. prāṇeṣu randhranavake pravṛtteṣu atha tasya cit
cetyonmukhī babhūva antaḥ prāṇadarpaṇabimbitā

14. atha tasya prāṇeṣu randhranavake pravṛtteṣu,
cit antaḥ prāṇadarpaṇabimbitā cetyonmukhī babhūva

14. Then, as his (the demon's) vital functions (prāṇa) became active in the nine apertures, his consciousness (cit) internally turned towards objects of thought, reflected as if in the mirror of the life-force (prāṇa).

Words meanings summery:

• प्राणेषु (prāṇeṣu) - in the vital airs, in the life-functions

• रन्ध्रनवके (randhranavake) - in the group of nine apertures, in the nine openings

• प्रवृत्तेषु (pravṛtteṣu) - having begun, having become active, having entered

• अथ (atha) - then, next, thereupon

• तस्य (tasya) - Referring to the demon. (his, of him)

• चित् (cit) - consciousness, pure consciousness

• चेत्योन्मुखी (cetyonmukhī) - turned towards the knowable, directed towards objects of thought

• बभूव (babhūva) - became, happened, existed

• अन्तः (antaḥ) - inside, within, internally

• प्राणदर्पणबिम्बिता (prāṇadarpaṇabimbitā) - reflected in the mirror of the life-force

Words meanings and morphology

प्राणेषु (prāṇeṣu) - in the vital airs, in the life-functions

(noun)

Locative, masculine, plural of prāṇa

prāṇa - breath, vital air, life-force (prāṇa)

रन्ध्रनवके (randhranavake) - in the group of nine apertures, in the nine openings

(noun)

Locative, neuter, singular of randhranavaka

randhranavaka - group of nine apertures/openings

Compound type : Dvigu (randhra+navaka)

• randhra – aperture, opening, hole
  noun (neuter)
• navaka – group of nine, nine
  noun (neuter)

प्रवृत्तेषु (pravṛtteṣu) - having begun, having become active, having entered

(participle)

Locative, masculine, plural of pravṛtta

pravṛtta - begun, started, engaged, active

Past Passive Participle

Prefix: pra

Root: vṛt (class 1)

अथ (atha) - then, next, thereupon

(indeclinable)

तस्य (tasya) - Referring to the demon. (his, of him)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

चित् (cit) - consciousness, pure consciousness

(noun)

Nominative, feminine, singular of cit

cit - consciousness, thought, mind

चेत्योन्मुखी (cetyonmukhī) - turned towards the knowable, directed towards objects of thought

(adjective)

Nominative, feminine, singular of cetyonmukhī

cetyonmukhī - turned towards the knowable/object of thought

Compound type : Tatpuruṣa (cetya+unmukhī)

• cetya – to be thought, knowable, object of thought
  participle (neuter)
  Gerundive
  Root: cit (class 1)
• unmukhī – facing, having the face turned up/towards
  adjective (feminine)
  Prefix: ud
  Root: mukh

बभूव (babhūva) - became, happened, existed

(verb)

3rd person , singular, active, perfect (lit) of bhū

Reduplicated Perfect

3rd person singular, active voice, perfect form of the root bhū.

Root: bhū (class 1)

अन्तः (antaḥ) - inside, within, internally

(indeclinable)

प्राणदर्पणबिम्बिता (prāṇadarpaṇabimbitā) - reflected in the mirror of the life-force

(adjective)

Nominative, feminine, singular of prāṇadarpaṇabimbitā

prāṇadarpaṇabimbitā - reflected in the mirror of the life-force

Past Passive Participle

Feminine singular of a compound adjective (bahuvrīhi) formed with a noun compound ('prāṇadarpaṇa') and a past passive participle ('bimbita').

Compound type : Bahuvrīhi (prāṇadarpaṇa+bimbita)

• prāṇadarpaṇa – mirror of the life-force
  noun (masculine)
• bimbita – reflected, mirrored, imaged
  participle
  Past Passive Particluple
  Root: bimb