महाभारतः mahābhārataḥ - book-1, chapter-2, verse-78

वसूनां पुनरुत्पत्तिर्भागीरथ्यां महात्मनाम् ।
शंतनोर्वेश्मनि पुनस्तेषां चारोहणं दिवि ॥७८॥

78. vasūnāṁ punarutpattirbhāgīrathyāṁ mahātmanām ,
śaṁtanorveśmani punasteṣāṁ cārohaṇaṁ divi.

78. vasūnām punarutpattiḥ bhāgīrathyām mahātmanām
śaṃtanoḥ veśmani punaḥ teṣām ca ārohaṇam divi

78. The rebirth of the great-souled Vasus through the Bhagirathi (Ganga), and their subsequent reappearance in Shantanu's house, followed by their ascent to heaven.

Words meanings summery:

• वसूनाम् (vasūnām) - pertaining to the divine beings known as Vasus (of the Vasus)

• पुनरुत्पत्तिः (punarutpattiḥ) - the repeated birth or coming into existence (rebirth, reappearance, renewed production)

• भागीरथ्याम् (bhāgīrathyām) - specifically referring to the river Ganga, named after Bhagiratha (in the Ganga (river))

• महात्मनाम् (mahātmanām) - referring to the Vasus as great souls (of great souls, of noble beings)

• शंतनोः (śaṁtanoḥ) - referring to King Shantanu, Bhishma's father (of Shantanu)

• वेश्मनि (veśmani) - in the household of Shantanu (in the house, in the dwelling)

• पुनः (punaḥ) - indicating a recurrence or addition (again, anew, furthermore)

• तेषाम् (teṣām) - referring to the Vasus (of them)

• च (ca) - connecting the two clauses (and, also)

• आरोहणम् (ārohaṇam) - their return to the celestial realm (ascent, climbing, mounting)

• दिवि (divi) - the destination of their ascent (in heaven, to heaven)

Words meanings and morphology

वसूनाम् (vasūnām) - pertaining to the divine beings known as Vasus (of the Vasus)

(noun)

Genitive, masculine, plural of vasu

vasu - a class of demigods; gods of bounty/wealth; good

Root: vas

पुनरुत्पत्तिः (punarutpattiḥ) - the repeated birth or coming into existence (rebirth, reappearance, renewed production)

(noun)

Nominative, feminine, singular of punarutpatti

punarutpatti - rebirth, renewed production, reappearance

Formed from 'punar' (again) + 'utpatti' (origin, birth).

Compound type : avyayībhāva (punar+utpatti)

• punar – again, anew
  indeclinable
• utpatti – origin, birth, production
  noun (feminine)
  action noun
  Derived from root pad with prefix ud
  Prefix: ud
  Root: pad (class 4)

भागीरथ्याम् (bhāgīrathyām) - specifically referring to the river Ganga, named after Bhagiratha (in the Ganga (river))

(noun)

Locative, feminine, singular of bhāgīrathī

bhāgīrathī - the river Ganga (brought to earth by Bhagiratha)

Derived from Bhagiratha.

महात्मनाम् (mahātmanām) - referring to the Vasus as great souls (of great souls, of noble beings)

(adjective)

Genitive, masculine, plural of mahātman

mahātman - great-souled, noble, illustrious

Formed from mahā (great) + ātman (soul).

Compound type : karmadhāraya (mahā+ātman)

• mahā – great, large, mighty
  adjective
• ātman – self, soul, spirit
  noun (masculine)
  Root: at (class 1)

Note: Agrees with Vasūnām.

शंतनोः (śaṁtanoḥ) - referring to King Shantanu, Bhishma's father (of Shantanu)

(noun)

Genitive, masculine, singular of śaṃtanu

śaṁtanu - name of a king, father of Bhishma

वेश्मनि (veśmani) - in the household of Shantanu (in the house, in the dwelling)

(noun)

Locative, neuter, singular of veśman

veśman - house, dwelling, abode

From root viś (to enter)

Root: viś (class 6)

पुनः (punaḥ) - indicating a recurrence or addition (again, anew, furthermore)

(indeclinable)

तेषाम् (teṣām) - referring to the Vasus (of them)

(pronoun)

Genitive, masculine, plural of tad

tad - that, he, she, it

Demonstrative pronoun.

च (ca) - connecting the two clauses (and, also)

(indeclinable)

Conjunction.

आरोहणम् (ārohaṇam) - their return to the celestial realm (ascent, climbing, mounting)

(noun)

Nominative, neuter, singular of ārohaṇa

ārohaṇa - ascent, rising, climbing

action noun

From root ruh (to grow, ascend) with prefix ā.

Prefix: ā

Root: ruh (class 1)

दिवि (divi) - the destination of their ascent (in heaven, to heaven)

(noun)

Locative, feminine, singular of div

div - sky, heaven, day

Note: Can sometimes be dative as well, indicating motion towards.