महाभारतः mahābhārataḥ - book-12, chapter-64, verse-22

कर्मणा वै पुरा देवा ऋषयश्चामितौजसः ।
त्राताः सर्वे प्रमथ्यारीन्क्षत्रधर्मेण विष्णुना ॥२२॥

22. karmaṇā vai purā devā ṛṣayaścāmitaujasaḥ ,
trātāḥ sarve pramathyārīnkṣatradharmeṇa viṣṇunā.

22. karmaṇā vai purā devāḥ ṛṣayaḥ ca amitaujasaḥ
trātāḥ sarve pramathya arīn kṣatradharmeṇa viṣṇunā

22. vai purā amitaujasaḥ devāḥ ca ṛṣayaḥ sarve (teṣām) arīn
pramathya kṣatradharmeṇa viṣṇunā trātāḥ (babhūvuḥ)

22. Indeed, in the past, through their actions (karma), all the gods and sages of immense power were protected by Viṣṇu, who crushed their enemies by means of the warrior's (dharma) [constitution].

Words meanings summery:

• कर्मणा (karmaṇā) - by action, by (karma) [action]

• वै (vai) - indeed, verily

• पुरा (purā) - formerly, in ancient times, in the past

• देवाः (devāḥ) - gods, deities

• ऋषयः (ṛṣayaḥ) - sages, seers

• च (ca) - and, also

• अमितौजसः (amitaujasaḥ) - of immense power, having inexhaustible vigor

• त्राताः (trātāḥ) - protected, saved

• सर्वे (sarve) - all, everyone

• प्रमथ्य (pramathya) - having crushed, having churned, having destroyed

• अरीन् (arīn) - enemies

• क्षत्रधर्मेण (kṣatradharmeṇa) - by means of the warrior's (dharma) [constitution], by the duty of a kṣatriya

• विष्णुना (viṣṇunā) - by Vishnu

Words meanings and morphology

कर्मणा (karmaṇā) - by action, by (karma) [action]

(noun)

Instrumental, neuter, singular of karman

karman - action, deed, work, (karma) [action]

वै (vai) - indeed, verily

(indeclinable)

पुरा (purā) - formerly, in ancient times, in the past

(indeclinable)

देवाः (devāḥ) - gods, deities

(noun)

Nominative, masculine, plural of deva

deva - god, deity

ऋषयः (ṛṣayaḥ) - sages, seers

(noun)

Nominative, masculine, plural of ṛṣi

ṛṣi - sage, seer

च (ca) - and, also

(indeclinable)

अमितौजसः (amitaujasaḥ) - of immense power, having inexhaustible vigor

(adjective)

Nominative, masculine, plural of amitaujas

amitaujas - having immense power, of inexhaustible vigor

Compound type : bahuvrihi (amita+ojas)

• amita – immeasurable, immense, unlimited
  adjective
  Past Passive Participle
  Nañ-tatpuruṣa compound: a (not) + mita (measured). mita is from root mā (to measure).
  Root: mā (class 2)
• ojas – vigor, power, energy, strength
  noun (neuter)

त्राताः (trātāḥ) - protected, saved

(adjective)

Nominative, masculine, plural of trāta

trāta - protected, saved, preserved

Past Passive Participle

Derived from the root trā (to protect, save).

Root: trā (class 2)

सर्वे (sarve) - all, everyone

(pronoun)

Nominative, masculine, plural of sarva

sarva - all, every

प्रमथ्य (pramathya) - having crushed, having churned, having destroyed

(indeclinable)

Gerund (Absolutive)

Indeclinable past participle (gerund) derived from the root math (to churn, disturb) with the prefix pra.

Prefix: pra

Root: math (class 1)

अरीन् (arīn) - enemies

(noun)

Accusative, masculine, plural of ari

ari - enemy, adversary

क्षत्रधर्मेण (kṣatradharmeṇa) - by means of the warrior's (dharma) [constitution], by the duty of a kṣatriya

(noun)

Instrumental, masculine, singular of kṣatradharma

kṣatradharma - warrior's (dharma) [constitution], duty of a kṣatriya

Compound type : tatpurusha (kṣatra+dharma)

• kṣatra – warrior class, dominion, rule
  noun (neuter)
• dharma – constitution, natural law, intrinsic nature, righteousness, duty, virtue
  noun (masculine)

विष्णुना (viṣṇunā) - by Vishnu

(proper noun)

Instrumental, masculine, singular of viṣṇu

viṣṇu - Vishnu (a major Hindu deity)