महाभारतः mahābhārataḥ - book-12, chapter-224, verse-29

रात्रिस्तावत्तिथी ब्राह्मी तदादौ विश्वमीश्वरः ।
प्रलयेऽध्यात्ममाविश्य सुप्त्वा सोऽन्ते विबुध्यते ॥२९॥

29. rātristāvattithī brāhmī tadādau viśvamīśvaraḥ ,
pralaye'dhyātmamāviśya suptvā so'nte vibudhyate.

29. rātriḥ tāvattithī brāhmī tat ādau viśvam īśvaraḥ |
pralaye adhyātmam āviśya suptvā saḥ ante vibudhyate

29. rātriḥ tāvattithī brāhmī.
tat ādau īśvaraḥ viśvam.
pralaye adhyātmam āviśya suptvā saḥ ante vibudhyate

29. The night is of the same duration, also a Brahmic (brāhmī) period. At the beginning (of the day), the Lord (īśvara) (creates) the universe. At the dissolution (pralaye), having entered into His own spiritual essence (adhyātmam) and having slept, He awakens at the end (of the night).

Words meanings summery:

• रात्रिः (rātriḥ) - the night of Brahmā (night)

• तावत्तिथी (tāvattithī) - of the same duration as the day of Brahmā (of the same extent/duration (as a day))

• ब्राह्मी (brāhmī) - belonging to Brahmā (the deity) (related to Brahma, divine, Brahmic)

• तत् (tat) - that (day/period) (that)

• आदौ (ādau) - at the beginning (of Brahma's day) (at the beginning, primarily)

• विश्वम् (viśvam) - the universe, all

• ईश्वरः (īśvaraḥ) - Lord Brahmā or the Supreme Lord (the Lord, master, controller)

• प्रलये (pralaye) - at the time of cosmic dissolution (at the dissolution, at the destruction)

• अध्यात्मम् (adhyātmam) - His own spiritual essence or the Supreme Self (ātman) (relating to the self/spirit, inner being)

• आविश्य (āviśya) - having entered, entering

• सुप्त्वा (suptvā) - having slept

• सः (saḥ) - Lord (īśvaraḥ) (he)

• अन्ते (ante) - at the end (of the night of Brahmā) (at the end, finally)

• विबुध्यते (vibudhyate) - he awakens, he becomes aware

Words meanings and morphology

रात्रिः (rātriḥ) - the night of Brahmā (night)

(noun)

Nominative, feminine, singular of rātri

rātri - night

तावत्तिथी (tāvattithī) - of the same duration as the day of Brahmā (of the same extent/duration (as a day))

(adjective)

Nominative, feminine, singular of tāvattithi

tāvattithi - of such duration/extent (as the preceding context)

Compound type : bahuvrihi (tāvat+tithi)

• tāvat – so much, so many, so long, to such an extent
  indeclinable
• tithi – a lunar day, a fixed point of time, period
  noun (masculine)

ब्राह्मी (brāhmī) - belonging to Brahmā (the deity) (related to Brahma, divine, Brahmic)

(adjective)

Nominative, feminine, singular of brāhma

brāhma - relating to Brahmā, relating to Brahman, divine

Derived from 'Brahman' or 'Brahmā'.

Note: Agrees with 'rātriḥ'.

तत् (tat) - that (day/period) (that)

(pronoun)

Nominative, neuter, singular of tad

tad - that, that one

Note: Refers to the concept of Brahmā's day mentioned in the previous verse.

आदौ (ādau) - at the beginning (of Brahma's day) (at the beginning, primarily)

(noun)

Locative, masculine, singular of ādi

ādi - beginning, commencement, origin

Note: Refers to the beginning of Brahmā's day, when creation occurs.

विश्वम् (viśvam) - the universe, all

(noun)

Accusative, neuter, singular of viśva

viśva - all, whole, entire; the universe, the world

Note: Object of an implied verb 'creates'.

ईश्वरः (īśvaraḥ) - Lord Brahmā or the Supreme Lord (the Lord, master, controller)

(noun)

Nominative, masculine, singular of īśvara

īśvara - Lord, master, ruler, god, Supreme Being

Root: īś (class 2)

प्रलये (pralaye) - at the time of cosmic dissolution (at the dissolution, at the destruction)

(noun)

Locative, masculine, singular of pralaya

pralaya - dissolution, destruction, reabsorption of the universe

Derived from root lī (to dissolve) with prefix pra.

Prefix: pra

Root: lī (class 4)

अध्यात्मम् (adhyātmam) - His own spiritual essence or the Supreme Self (ātman) (relating to the self/spirit, inner being)

(noun)

Accusative, neuter, singular of adhyātman

adhyātman - the supreme spirit, spiritual knowledge, the self (ātman), inner being

Compound of adhi and ātman.

Compound type : avyayibhāva (adhi+ātman)

• adhi – over, above, concerning, relating to
  indeclinable
• ātman – self, soul, spirit (ātman)
  noun (masculine)
  Root: an (class 2)

Note: Object of 'āviśya'.

आविश्य (āviśya) - having entered, entering

(indeclinable)

Absolutive (Gerund)

Derived from root viś (to enter) with prefix ā, suffix -ya.

Prefix: ā

Root: viś (class 6)

Note: Indicates prior action to 'vibudhyate'.

सुप्त्वा (suptvā) - having slept

(indeclinable)

Absolutive (Gerund)

Derived from root svap (to sleep) with suffix -tvā.

Root: svap (class 1)

Note: Indicates prior action to 'vibudhyate'.

सः (saḥ) - Lord (īśvaraḥ) (he)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Refers to 'īśvaraḥ'.

अन्ते (ante) - at the end (of the night of Brahmā) (at the end, finally)

(noun)

Locative, masculine, singular of anta

anta - end, limit, conclusion

Note: Refers to the end of Brahmā's night, just before a new day of creation.

विबुध्यते (vibudhyate) - he awakens, he becomes aware

(verb)

3rd person , singular, middle, present (lat) of budh

Present Middle

Root 'budh' (Class 4, Divadi) with prefix vi, present tense, third person singular, middle voice.

Prefix: vi

Root: budh (class 4)

Note: The middle voice indicates the action is for the agent's own benefit.