महाभारतः mahābhārataḥ - book-15, chapter-30, verse-9

गजैश्चाचलसंकाशैर्भीमकर्मा वृकोदरः ।
सज्जयन्त्रायुधोपेतैः प्रययौ मारुतात्मजः ॥९॥

9. gajaiścācalasaṁkāśairbhīmakarmā vṛkodaraḥ ,
sajjayantrāyudhopetaiḥ prayayau mārutātmajaḥ.

9. gajaiḥ ca acalasaṃkāśaiḥ bhīmakarmā vṛkodaraḥ
sajjayantrāyudhopetaiḥ prayayau mārutātmajaḥ

9. ca bhīmakarmā vṛkodaraḥ mārutātmajaḥ acalasaṃkāśaiḥ
sajjayantrāyudhopetaiḥ gajaiḥ prayayau

9. And Vrikodara (Bhima), known for formidable deeds and the son of Maruta, advanced, accompanied by mountain-like elephants equipped with ready weapons and machines.

Words meanings summery:

• गजैः (gajaiḥ) - by elephants

• च (ca) - and, also

• अचलसंकाशैः (acalasaṁkāśaiḥ) - by mountain-like, by resembling mountains

• भीमकर्मा (bhīmakarmā) - of terrible deeds, having formidable actions

• वृकोदरः (vṛkodaraḥ) - Bhima (Vrikodara (Bhima, lit. wolf-bellied))

• सज्जयन्त्रायुधोपेतैः (sajjayantrāyudhopetaiḥ) - by those equipped with ready machines and weapons

• प्रययौ (prayayau) - went forth, advanced, marched

• मारुतात्मजः (mārutātmajaḥ) - Bhima (son of Maruta (the wind-god))

Words meanings and morphology

गजैः (gajaiḥ) - by elephants

(noun)

Instrumental, masculine, plural of gaja

gaja - elephant

च (ca) - and, also

(indeclinable)

अचलसंकाशैः (acalasaṁkāśaiḥ) - by mountain-like, by resembling mountains

(adjective)

Instrumental, masculine, plural of acalasaṃkāśa

acalasaṁkāśa - mountain-like, resembling mountains

Compound type : bahuvrihi (acala+saṃkāśa)

• acala – mountain (lit. immovable)
  noun (masculine)
• saṃkāśa – resembling, like, similar to
  adjective

Note: Agrees with gajaiḥ.

भीमकर्मा (bhīmakarmā) - of terrible deeds, having formidable actions

(adjective)

Nominative, masculine, singular of bhīmakarman

bhīmakarman - of terrible deeds, having formidable actions

Compound type : bahuvrihi (bhīma+karman)

• bhīma – terrible, formidable, dreadful
  adjective
• karman – deed, action, work (karma)
  noun (neuter)

Note: Refers to Vrikodara (Bhima).

वृकोदरः (vṛkodaraḥ) - Bhima (Vrikodara (Bhima, lit. wolf-bellied))

(proper noun)

Nominative, masculine, singular of vṛkodara

vṛkodara - Vrikodara (proper name for Bhima, lit. 'wolf-bellied')

Compound type : bahuvrihi (vṛka+udara)

• vṛka – wolf
  noun (masculine)
• udara – belly, abdomen
  noun (neuter)

सज्जयन्त्रायुधोपेतैः (sajjayantrāyudhopetaiḥ) - by those equipped with ready machines and weapons

(adjective)

Instrumental, masculine, plural of sajjayantrāyudhopeta

sajjayantrāyudhopeta - equipped with ready machines and weapons

Compound type : bahuvrihi (sajja+yantra+āyudha+upeta)

• sajja – ready, prepared, equipped
  adjective
• yantra – machine, instrument, device
  noun (neuter)
• āyudha – weapon, implement
  noun (neuter)
• upeta – endowed with, possessed of, furnished with
  adjective
  Past Passive Participle
  Derived from the root i (to go) with the prefix upa.
  Prefix: upa
  Root: i (class 2)

Note: Agrees with gajaiḥ.

प्रययौ (prayayau) - went forth, advanced, marched

(verb)

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

Prefix: pra

Root: yā (class 2)

मारुतात्मजः (mārutātmajaḥ) - Bhima (son of Maruta (the wind-god))

(noun)

Nominative, masculine, singular of mārutātmaja

mārutātmaja - son of Maruta (the wind-god)

Compound type : tatpurusha (māruta+ātmaja)

• māruta – related to Maruta (the wind-god)
  adjective (masculine)
• ātmaja – son (lit. born of oneself)
  noun (masculine)