योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-210, verse-5

विशेयमस्मिन्नेवेन्दाविनि ध्याता निशाकरे ।
अस्मिन्नेव विशत्यन्तरात्मबुद्धिसुखोज्झितः ॥ ५ ॥

viśeyamasminnevendāvini dhyātā niśākare ,
asminneva viśatyantarātmabuddhisukhojjhitaḥ 5

5. viśeyam asmin eva indau ini dhyātā niśākare
asmin eva viśati antarātmabuddhisuKHOJJHITAḤ

5. dhyātā aham asmin eva ini indau niśākare viśeyam
antarātmabuddhisuKHOJJHITAḤ asmin eva viśati

5. I, having meditated on this very moon (indu), this night-maker, would enter it. (Conversely), one who is devoid of the happiness stemming from the intellect of the inner self (ātman) enters into this very (moon).

Words meanings summery:

• विशेयम् (viśeyam) - I would enter

• अस्मिन् (asmin) - in this

• एव (eva) - indeed, only, very

• इन्दौ (indau) - in the moon

• इनि (ini) - here, in this way, this

• ध्याता (dhyātā) - one who has meditated, having meditated

• निशाकरे (niśākare) - in the moon, in the night-maker

• अस्मिन् (asmin) - in this

• एव (eva) - indeed, only, very

• विशति (viśati) - he/she/it enters

• अन्तरात्मबुद्धिसुखोज्झितः (antarātmabuddhisukhojjhitaḥ) - devoid of the happiness of the intellect of the inner self

Words meanings and morphology

विशेयम् (viśeyam) - I would enter

(verb)

1st person , singular, active, optative (vidhi liṅ) of viś

Root: viś (class 6)

अस्मिन् (asmin) - in this

(pronoun)

Locative, masculine, singular of idam

idam - this

Note: Agrees with 'indau' and 'niśākare'.

एव (eva) - indeed, only, very

(indeclinable)

इन्दौ (indau) - in the moon

(noun)

Locative, masculine, singular of indu

indu - moon, drop

इनि (ini) - here, in this way, this

(indeclinable)

Could be an archaic or poetic form of 'iha' (here) or 'iti' (thus), or a demonstrative adverb. Its precise grammatical function here is ambiguous.

ध्याता (dhyātā) - one who has meditated, having meditated

(noun)

Nominative, masculine, singular of dhyātṛ

dhyātṛ - meditator, contemplator

agent noun

Derived from root dhyai (dhyā) + tṛc suffix.

Root: dhyai (class 1)

Note: Used here in an agentive sense, 'the one meditating' or 'having meditated'.

निशाकरे (niśākare) - in the moon, in the night-maker

(noun)

Locative, masculine, singular of niśākara

niśākara - moon (lit. night-maker)

Compound type : tatpuruṣa (niśā+kara)

• niśā – night
  noun (feminine)
• kara – maker, doer, hand, ray
  noun (masculine)
  Derived from kṛ + -a suffix.
  Root: kṛ (class 8)

Note: Agrees with 'indau'.

अस्मिन् (asmin) - in this

(pronoun)

Locative, masculine, singular of idam

idam - this

Note: Refers to the moon (indu).

एव (eva) - indeed, only, very

(indeclinable)

विशति (viśati) - he/she/it enters

(verb)

3rd person , singular, active, present (laṭ) of viś

Root: viś (class 6)

अन्तरात्मबुद्धिसुखोज्झितः (antarātmabuddhisukhojjhitaḥ) - devoid of the happiness of the intellect of the inner self

(adjective)

Nominative, masculine, singular of antarātmabuddhisuKHOJJHITA

antarātmabuddhisuKHOJJHITA - one who is devoid of the happiness of the intellect of the inner self (ātman)

Compound type : bahuvrīhi (antara+ātman+buddhi+sukha+ujjhita)

• antara – inner, internal, within
  adjective
• ātman – self, soul, spirit, the individual soul (ātman)
  noun (masculine)
• buddhi – intellect, understanding, discernment, reason
  noun (feminine)
  Derived from budh + -ti suffix.
  Root: budh (class 1)
• sukha – happiness, pleasure, ease
  noun (neuter)
• ujjhita – devoid of, abandoned, forsaken
  adjective
  Past Passive Participle
  Derived from ud + hā + kta.
  Prefix: ud
  Root: hā (class 3)

Note: Subject of 'viśati'.