महाभारतः mahābhārataḥ - book-12, chapter-22, verse-11

इन्द्रो वै ब्रह्मणः पुत्रः कर्मणा क्षत्रियोऽभवत् ।
ज्ञातीनां पापवृत्तीनां जघान नवतीर्नव ॥११॥

11. indro vai brahmaṇaḥ putraḥ karmaṇā kṣatriyo'bhavat ,
jñātīnāṁ pāpavṛttīnāṁ jaghāna navatīrnava.

11. indraḥ vai brahmaṇaḥ putraḥ karmaṇā kṣatriyaḥ
abhavat jñātīnām pāpavṛttīnām jaghāna navatīḥ nava

11. indraḥ brahmaṇaḥ putraḥ vai karmaṇā kṣatriyaḥ
abhavat pāpavṛttīnām jñātīnām navatīḥ nava jaghāna

11. Indra, though by birth a son of a Brahmin, became a warrior (kṣatriya) through his actions (karma). He killed eighty-one of his relatives who engaged in sinful conduct.

Words meanings summery:

• इन्द्रः (indraḥ) - Indra

• वै (vai) - indeed, verily, surely

• ब्रह्मणः (brahmaṇaḥ) - of a Brahmin

• पुत्रः (putraḥ) - son

• कर्मणा (karmaṇā) - by action, by deed

• क्षत्रियः (kṣatriyaḥ) - a warrior, of the warrior class

• अभवत् (abhavat) - became, was

• ज्ञातीनाम् (jñātīnām) - of relatives, of kinsmen

• पापवृत्तीनाम् (pāpavṛttīnām) - of those with sinful conduct, of evil-doers

• जघान (jaghāna) - killed, struck down

• नवतीः (navatīḥ) - ninety (plural, used to mean groups of ninety)

• नव (nava) - nine

Words meanings and morphology

इन्द्रः (indraḥ) - Indra

(proper noun)

Nominative, masculine, singular of indra

indra - Indra, chief of the gods, king of Svarga

वै (vai) - indeed, verily, surely

(indeclinable)

ब्रह्मणः (brahmaṇaḥ) - of a Brahmin

(noun)

Genitive, masculine, singular of brahman

brahman - Brahmin (member of the priestly class), the Absolute Reality, creator god Brahma

पुत्रः (putraḥ) - son

(noun)

Nominative, masculine, singular of putra

putra - son, child

कर्मणा (karmaṇā) - by action, by deed

(noun)

Instrumental, neuter, singular of karman

karman - action, deed, work, ritual action, fate (as a result of previous actions)

Root: kṛ (class 8)

क्षत्रियः (kṣatriyaḥ) - a warrior, of the warrior class

(noun)

Nominative, masculine, singular of kṣatriya

kṣatriya - member of the warrior or ruling class, warrior, noble

अभवत् (abhavat) - became, was

(verb)

3rd person , singular, active, imperfect (laṅ) of bhū

Imperfect tense, active voice

3rd person singular, a-augment + root bhū + -at ending

Root: bhū (class 1)

ज्ञातीनाम् (jñātīnām) - of relatives, of kinsmen

(noun)

Genitive, masculine, plural of jñāti

jñāti - relative, kinsman

पापवृत्तीनाम् (pāpavṛttīnām) - of those with sinful conduct, of evil-doers

(adjective)

Genitive, masculine, plural of pāpavṛtti

pāpavṛtti - sinful conduct, evil disposition

Compound type : tatpurusha (pāpa+vṛtti)

• pāpa – evil, sinful, wicked; sin, vice
  noun (neuter)
• vṛtti – conduct, course of action, behavior, mode of life
  noun (feminine)
  Root: vṛt (class 1)

Note: Adjective modifying jñātīnām.

जघान (jaghāna) - killed, struck down

(verb)

3rd person , singular, active, perfect (liṭ) of han

Perfect tense, active voice

3rd person singular, reduplicated root han

Root: han (class 2)

नवतीः (navatīḥ) - ninety (plural, used to mean groups of ninety)

(noun)

Accusative, feminine, plural of navati

navati - ninety

नव (nava) - nine

(numeral)

Note: Modifies navatīḥ. Together navatīḥ nava means 81 (nine times ninety).