महाभारतः mahābhārataḥ - book-8, chapter-21, verse-12

तमुदधिनिभमाद्रवद्बली त्वरिततरैः समभिद्रुतं परैः ।
द्रुपदसुतसखस्तदाकरोत्पुरुषरथाश्वगजक्षयं महत् ॥१२॥

12. tamudadhinibhamādravadbalī; tvaritataraiḥ samabhidrutaṁ paraiḥ ,
drupadasutasakhastadākaro;tpuruṣarathāśvagajakṣayaṁ mahat.

12. tam udadhinibham ādravat balī
tvaritataraiḥ samabhidrutam paraiḥ
drupadasutasakhaḥ tadā akarot
puruṣarathāśvagajakṣayam mahat

12. tadā balī drupadasutasakhaḥ
udadhinibham tvaritataraiḥ paraiḥ
samabhidrutam tam ādravat mahat
puruṣarathāśvagajakṣayam akarot

12. Then, the mighty one (Arjuna), the friend of Drupada's son, swiftly advanced against Karṇa, who was surrounded by swift enemies and as vast as an ocean (of troops). He then wrought immense destruction upon men, chariots, horses, and elephants.

Words meanings summery:

• तम् (tam) - him (Karṇa) (him)

• उदधिनिभम् (udadhinibham) - as vast as an ocean (of troops) (ocean-like, resembling an ocean)

• आद्रवत् (ādravat) - rushed, advanced

• बली (balī) - the mighty one (Arjuna) (mighty one, powerful person)

• त्वरिततरैः (tvaritataraiḥ) - by very swift enemies (by very swift ones, by quicker ones)

• समभिद्रुतम् (samabhidrutam) - surrounded, attacked

• परैः (paraiḥ) - by enemies, by others

• द्रुपदसुतसखः (drupadasutasakhaḥ) - friend of Drupada's son (Arjuna, friend of Dhṛṣṭadyumna) (friend of Drupada's son)

• तदा (tadā) - then, at that time

• अकरोत् (akarot) - he made, he did, he caused

• पुरुषरथाश्वगजक्षयम् (puruṣarathāśvagajakṣayam) - destruction of men, chariots, horses, and elephants

• महत् (mahat) - great, immense, large

Words meanings and morphology

तम् (tam) - him (Karṇa) (him)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

उदधिनिभम् (udadhinibham) - as vast as an ocean (of troops) (ocean-like, resembling an ocean)

(adjective)

Accusative, masculine, singular of udadhinibha

udadhinibha - ocean-like, resembling an ocean

Compound type : upama (udadhi+nibha)

• udadhi – ocean, sea
  noun (masculine)
• nibha – like, resembling, similar to
  adjective

आद्रवत् (ādravat) - rushed, advanced

(verb)

3rd person , singular, active, past imperfect (laṅ) of ā-dru

Derived from root dru (1P) 'to run' with prefix ā-

Prefix: ā

Root: dru (class 1)

बली (balī) - the mighty one (Arjuna) (mighty one, powerful person)

(adjective)

Nominative, masculine, singular of balin

balin - strong, powerful, mighty; a strong man, a powerful warrior

त्वरिततरैः (tvaritataraiḥ) - by very swift enemies (by very swift ones, by quicker ones)

(adjective)

Instrumental, masculine, plural of tvaritatara

tvaritatara - swifter, quicker, very swift

Comparative form of tvarita (Past Passive Participle of tvar)

समभिद्रुतम् (samabhidrutam) - surrounded, attacked

(adjective)

Accusative, masculine, singular of samabhidruta

samabhidruta - rushed upon, attacked, surrounded, followed

Past Passive Participle

Derived from root dru (1P) 'to run' with prefixes sam- and abhi-

Prefixes: sam+abhi

Root: dru (class 1)

परैः (paraiḥ) - by enemies, by others

(noun)

Instrumental, masculine, plural of para

para - other, hostile, enemy

द्रुपदसुतसखः (drupadasutasakhaḥ) - friend of Drupada's son (Arjuna, friend of Dhṛṣṭadyumna) (friend of Drupada's son)

(noun)

Nominative, masculine, singular of drupadasutasakha

drupadasutasakha - friend of Drupada's son (e.g., Arjuna as friend of Dhṛṣṭadyumna)

Compound type : tatpuruṣa (drupadasuta+sakha)

• drupadasuta – son of Drupada (e.g., Dhṛṣṭadyumna)
  noun (masculine)
• sakha – friend, companion
  noun (masculine)

तदा (tadā) - then, at that time

(indeclinable)

अकरोत् (akarot) - he made, he did, he caused

(verb)

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

Root: kṛ (class 8)

पुरुषरथाश्वगजक्षयम् (puruṣarathāśvagajakṣayam) - destruction of men, chariots, horses, and elephants

(noun)

Accusative, masculine, singular of puruṣarathāśvagajakṣaya

puruṣarathāśvagajakṣaya - destruction of men, chariots, horses, and elephants

Compound type : dvandva-tatpuruṣa (puruṣa+ratha+aśva+gaja+kṣaya)

• puruṣa – man, person
  noun (masculine)
• ratha – chariot
  noun (masculine)
• aśva – horse
  noun (masculine)
• gaja – elephant
  noun (masculine)
• kṣaya – destruction, loss, ruin
  noun (masculine)

महत् (mahat) - great, immense, large

(adjective)

Accusative, masculine, singular of mahat

mahat - great, large, vast, mighty