महाभारतः mahābhārataḥ - book-12, chapter-29, verse-57

असुराणां सहस्राणि बहूनि सुरसत्तमः ।
अजयद्बाहुवीर्येण भगवान्पाकशासनः ॥५७॥

57. asurāṇāṁ sahasrāṇi bahūni surasattamaḥ ,
ajayadbāhuvīryeṇa bhagavānpākaśāsanaḥ.

57. asurāṇām sahasrāṇi bahūni surasattamaḥ
ajayat bāhuvīryeṇa bhagavān pākaśāsanaḥ

57. surasattamaḥ bhagavān pākaśāsanaḥ
bāhuvīryeṇa bahūni asurāṇām sahasrāṇi ajayat

57. The best among the gods, the venerable destroyer of Pāka (Indra), conquered many thousands of Asuras by the might of his arms.

Words meanings summery:

• असुराणाम् (asurāṇām) - of Asuras (demonic beings) (of Asuras, of demons)

• सहस्राणि (sahasrāṇi) - thousands

• बहूनि (bahūni) - many (many, numerous)

• सुरसत्तमः (surasattamaḥ) - the best among the gods (best among the gods, chief of the gods)

• अजयत् (ajayat) - he conquered (he conquered, he won)

• बाहुवीर्येण (bāhuvīryeṇa) - by the might of his arms (by the strength of arms, by valor)

• भगवान् (bhagavān) - the venerable (venerable, glorious, divine)

• पाकशासनः (pākaśāsanaḥ) - the destroyer of Pāka (Indra) (controller/chastiser of Pāka (an Asura, epithet of Indra))

Words meanings and morphology

असुराणाम् (asurāṇām) - of Asuras (demonic beings) (of Asuras, of demons)

(noun)

Genitive, masculine, plural of asura

asura - demon, evil spirit, opponent of the gods

Note: Possessive for 'sahasrāṇi'.

सहस्राणि (sahasrāṇi) - thousands

(noun)

Accusative, neuter, plural of sahasra

sahasra - thousand

Note: Object of 'ajayat'.

बहूनि (bahūni) - many (many, numerous)

(adjective)

Accusative, neuter, plural of bahu

bahu - many, much, numerous

Note: Qualifies 'sahasrāṇi'.

सुरसत्तमः (surasattamaḥ) - the best among the gods (best among the gods, chief of the gods)

(adjective)

Nominative, masculine, singular of surasattama

surasattama - best among gods

superlative suffix -tama added to surasat

Compound type : tatpurusha (sura+sat)

• sura – god, deity
  noun (masculine)
• sat – being, good, excellent
  adjective (masculine)
  Root: as (class 2)

Note: Refers to Indra.

अजयत् (ajayat) - he conquered (he conquered, he won)

(verb)

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

imperfect active

root ji (class 1), augmented (ajayat), 3rd person singular

Root: ji (class 1)

बाहुवीर्येण (bāhuvīryeṇa) - by the might of his arms (by the strength of arms, by valor)

(noun)

Instrumental, neuter, singular of bāhuvīrya

bāhuvīrya - strength of arm, valor

Compound type : tatpurusha (bāhu+vīrya)

• bāhu – arm, fore-arm
  noun (masculine)
• vīrya – strength, valor, heroism, power
  noun (neuter)

Note: Instrument of action.

भगवान् (bhagavān) - the venerable (venerable, glorious, divine)

(adjective)

Nominative, masculine, singular of bhagavat

bhagavat - venerable, divine, fortunate, glorious

Note: Qualifies 'pākaśāsanaḥ'.

पाकशासनः (pākaśāsanaḥ) - the destroyer of Pāka (Indra) (controller/chastiser of Pāka (an Asura, epithet of Indra))

(proper noun)

Nominative, masculine, singular of pākaśāsana

pākaśāsana - chastiser of Pāka (epithet of Indra)

Compound type : tatpurusha (pāka+śāsana)

• pāka – name of an Asura
  proper noun (masculine)
• śāsana – chastiser, ruler, controller
  noun (masculine)
  Root: śās (class 2)

Note: Refers to Indra, the subject of 'ajayat'.