महाभारतः mahābhārataḥ - book-12, chapter-29, verse-78

ततस्तु पयसो धारां पुष्टिहेतोर्महात्मनः ।
तस्यास्ये यौवनाश्वस्य पाणिरिन्द्रस्य चास्रवत् ॥७८॥

78. tatastu payaso dhārāṁ puṣṭihetormahātmanaḥ ,
tasyāsye yauvanāśvasya pāṇirindrasya cāsravat.

78. tataḥ tu payasaḥ dhārām puṣṭihetoḥ mahātmanaḥ
tasya āsye yauvanāśvasya pāṇiḥ indrasya ca asravat

78. tataḥ tu indrasya pāṇiḥ,
puṣṭihetoḥ mahātmanaḥ yauvanāśvasya tasya āsye,
payasaḥ dhārām ca asravat.

78. Then, for the nourishment of that great-souled (ātman) son of Yuvanaśva, Indra's hand caused a stream of milk to flow into his (the child's) mouth.

Words meanings summery:

• ततः (tataḥ) - then (thence, then, thereupon)

• तु (tu) - and (conjunction) (but, and, indeed)

• पयसः (payasaḥ) - of milk (of milk, of water)

• धाराम् (dhārām) - a stream (a stream, a current, a flow)

• पुष्टिहेतोः (puṣṭihetoḥ) - for the sake of nourishment (for the sake of nourishment/growth)

• महात्मनः (mahātmanaḥ) - of the great-souled one (the child, Māndhātā) (of the great-souled, of the noble)

• तस्य (tasya) - his (the child's) (his, of him, of that)

• आस्ये (āsye) - into the mouth (in the mouth, on the face)

• यौवनाश्वस्य (yauvanāśvasya) - of Yuvanaśva (referring to the child as Yuvanaśva's son) (of Yuvanaśva)

• पाणिः (pāṇiḥ) - hand (of Indra) (hand)

• इन्द्रस्य (indrasya) - of Indra

• च (ca) - and (and, also)

• अस्रवत् (asravat) - caused to flow / shed (transitive) (flowed, dropped, shed)

Words meanings and morphology

ततः (tataḥ) - then (thence, then, thereupon)

(indeclinable)

Adverb of time/consequence.

तु (tu) - and (conjunction) (but, and, indeed)

(indeclinable)

Particle.

पयसः (payasaḥ) - of milk (of milk, of water)

(noun)

Genitive, neuter, singular of payas

payas - milk, water, fluid, strength

s-stem neuter noun.

धाराम् (dhārām) - a stream (a stream, a current, a flow)

(noun)

Accusative, feminine, singular of dhārā

dhārā - stream, current, flow, rain

Root: dhṛ (class 1)

पुष्टिहेतोः (puṣṭihetoḥ) - for the sake of nourishment (for the sake of nourishment/growth)

(noun)

masculine, singular of puṣṭihetu

puṣṭihetu - cause of nourishment/growth

Compound.

Compound type : tatpuruṣa (puṣṭi+hetu)

• puṣṭi – nourishment, growth, prosperity
  noun (feminine)
  From root puṣ (to nourish).
  Root: puṣ (class 4)
• hetu – cause, reason, motive, means
  noun (masculine)
  Root: hi (class 5)

Note: Indicates purpose.

महात्मनः (mahātmanaḥ) - of the great-souled one (the child, Māndhātā) (of the great-souled, of the noble)

(adjective)

Genitive, masculine, singular of mahātman

mahātman - great-souled, noble, magnanimous, a great being (ātman)

Compound.

Compound type : bahuvrīhi (mahā+ātman)

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

Note: Refers to the child, Māndhātā.

तस्य (tasya) - his (the child's) (his, of him, of that)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

3rd person demonstrative pronoun.

Note: Qualifies āsye implicitly.

आस्ये (āsye) - into the mouth (in the mouth, on the face)

(noun)

Locative, neuter, singular of āsya

āsya - mouth, face, jaws

From root as (to eat) or ās (to sit).

Note: Refers to the child's mouth.

यौवनाश्वस्य (yauvanāśvasya) - of Yuvanaśva (referring to the child as Yuvanaśva's son) (of Yuvanaśva)

(noun)

Genitive, masculine, singular of yauvanāśva

yauvanāśva - Son of Yuvanāśva (Māndhātā), or pertaining to Yuvanaśva.

Patronymic or adjectival form from yuvanāśva.

पाणिः (pāṇiḥ) - hand (of Indra) (hand)

(noun)

Nominative, masculine, singular of pāṇi

pāṇi - hand, forefoot

i-stem masculine noun.

इन्द्रस्य (indrasya) - of Indra

(proper noun)

Genitive, masculine, singular of indra

indra - Indra, chief of the gods

Root: id

Note: Qualifies pāṇiḥ.

च (ca) - and (and, also)

(indeclinable)

Conjunction.

अस्रवत् (asravat) - caused to flow / shed (transitive) (flowed, dropped, shed)

(verb)

3rd person , singular, active, past imperfect (laṅ) of sru

Imperfect tense, active voice, 3rd person singular

From root sru. Augment a- indicates past tense.

Root: sru (class 1)

Note: Subject is pāṇiḥ.