योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-105, verse-45

न चेतस्यधियां त्वेताश्चित्तं यान्ति न देहकम् ।
कुम्भ उवाच ।
एवमस्त्वनुतिष्ठामि यामिनीस्त्रीत्वमात्मनः ॥ ४५ ॥

na cetasyadhiyāṃ tvetāścittaṃ yānti na dehakam ,
kumbha uvāca ,
evamastvanutiṣṭhāmi yāminīstrītvamātmanaḥ 45

45. na cetasi adhiyām tu etāḥ cittam yānti na dehakam kumbhaḥ
uvāca evam astu anutiṣṭhāmi yāminīstrītvaṃ ātmanaḥ

45. tu etāḥ adhiyām cetasi na yānti,
na cittam,
na dehakam kumbhaḥ uvāca evam astu ātmanaḥ yāminīstrītvaṃ anutiṣṭhāmi

45. But for the unwise, these (conditions) neither affect their mind nor their body. Kumba said: 'So be it. I shall assume this state of being a woman at night for my very self (ātman).'

Words meanings summery:

• न (na) - neither (not, no)

• चेतसि (cetasi) - in the mind, in the intellect, in consciousness

• अधियाम् (adhiyām) - of the unwise, of the ignorant

• तु (tu) - but (but, indeed, on the other hand)

• एताः (etāḥ) - referring to "conditions" (daśāḥ) from the previous verse (these (feminine plural))

• चित्तम् (cittam) - mind, thought, consciousness

• यान्ति (yānti) - they affect, they enter (they go, they move, they attain, they reach)

• न (na) - nor (not, no)

• देहकम् (dehakam) - the body (diminutive/affectionate/pleonastic)

• कुम्भः (kumbhaḥ) - Kumba (proper noun)

• उवाच (uvāca) - he said, spoke

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

• अस्तु (astu) - so be it (let it be, may it be)

• अनुतिष्ठामि (anutiṣṭhāmi) - I shall assume (I shall undertake, I shall perform, I shall abide by)

• यामिनीस्त्रीत्वं (yāminīstrītvaṁ) - the state of being a woman during the night

• आत्मनः (ātmanaḥ) - for my very self (of the self, of oneself, my own)

Words meanings and morphology

न (na) - neither (not, no)

(indeclinable)

चेतसि (cetasi) - in the mind, in the intellect, in consciousness

(noun)

Locative, neuter, singular of cetas

cetas - mind, intellect, consciousness, understanding

From root cit (to perceive, to know).

Root: cit (class 1)

अधियाम् (adhiyām) - of the unwise, of the ignorant

(noun)

Genitive, feminine, plural of adhī

adhī - unwise, foolish, ignorant (noun: an ignorant person)

a (not) + dhī (intellect, wisdom).

Compound type : bahuvrīhi (a+dhī)

• a – not, un-, without
  indeclinable
  Negative prefix.
• dhī – intellect, wisdom, understanding
  noun (feminine)
  Root: dhyā (class 1)

तु (tu) - but (but, indeed, on the other hand)

(indeclinable)

एताः (etāḥ) - referring to "conditions" (daśāḥ) from the previous verse (these (feminine plural))

(pronoun)

Nominative, feminine, plural of etad

etad - this, these

Note: Subject of yānti.

चित्तम् (cittam) - mind, thought, consciousness

(noun)

Accusative, neuter, singular of citta

citta - mind, thought, intellect, consciousness, heart

From root cit (to perceive, to know).

Root: cit (class 1)

Note: Object of yānti.

यान्ति (yānti) - they affect, they enter (they go, they move, they attain, they reach)

(verb)

3rd person , plural, active, present (laṭ) of yā

Root: yā (class 2)

Note: The subject is etāḥ.

न (na) - nor (not, no)

(indeclinable)

देहकम् (dehakam) - the body (diminutive/affectionate/pleonastic)

(noun)

Accusative, masculine, singular of dehaka

dehaka - body (often used with a diminutive or slighting sense, or merely as a variant of deha)

deha + ka suffix.

Root: dih (class 4)

Note: Object of yānti.

कुम्भः (kumbhaḥ) - Kumba (proper noun)

(proper noun)

Nominative, masculine, singular of kumbha

kumbha - Kumba (name of a demon king), a pot, pitcher, elephant's frontal globe

Note: Subject of uvāca.

उवाच (uvāca) - he said, spoke

(verb)

3rd person , singular, active, perfect past (liṭ) of vac

perfect tense (lit)

vac is an irregular root in perfect tense, forms like uvāca.

Root: vac (class 2)

एवम् (evam) - so (let it be so) (thus, so, in this manner)

(indeclinable)

अस्तु (astu) - so be it (let it be, may it be)

(verb)

3rd person , singular, active, imperative (loṭ) of as

Root: as (class 2)

अनुतिष्ठामि (anutiṣṭhāmi) - I shall assume (I shall undertake, I shall perform, I shall abide by)

(verb)

1st person , singular, active, present (laṭ) of anu-sthā

Prefix: anu

Root: sthā (class 1)

Note: Implies a commitment to action.

यामिनीस्त्रीत्वं (yāminīstrītvaṁ) - the state of being a woman during the night

(noun)

Accusative, neuter, singular of yāminīstrītva

yāminīstrītva - the state or condition of being a woman at night

yāminī (night) + strītva (womanhood, state of being a woman).

Compound type : tatpuruṣa (yāminī+strītva)

• yāminī – night
  noun (feminine)
  From yāma (a watch of the night).
• strītva – womanhood, femininity, the state of being a woman
  noun (neuter)
  From strī (woman) + tva (suffix for abstract noun).

Note: Object of anutiṣṭhāmi.

आत्मनः (ātmanaḥ) - for my very self (of the self, of oneself, my own)

(noun)

Genitive, masculine, singular of ātman

ātman - self, soul, spirit, essential nature, consciousness

Note: Implies "for myself" or "my own".