महाभारतः mahābhārataḥ - book-4, chapter-38, verse-43

सुपार्श्वं भीमसेनस्य जातरूपग्रहं धनुः ।
येन पार्थोऽजयत्कृत्स्नां दिशं प्राचीं परंतपः ॥४३॥

43. supārśvaṁ bhīmasenasya jātarūpagrahaṁ dhanuḥ ,
yena pārtho'jayatkṛtsnāṁ diśaṁ prācīṁ paraṁtapaḥ.

43. supārśvam bhīmasenasya jātarūpagraham dhanuḥ yena
pārthaḥ ajayat kṛtsnām diśam prācīm paraṃtapaḥ

43. This is Bhīmasena's well-proportioned bow, which has a golden grip, and with which Arjuna, the tormentor of foes, conquered the entire eastern direction.

Words meanings summery:

• सुपार्श्वम् (supārśvam) - well-proportioned, beautiful, having good sides

• भीमसेनस्य (bhīmasenasya) - of Bhīmasena

• जातरूपग्रहम् (jātarūpagraham) - having a golden grip/handle

• धनुः (dhanuḥ) - bow

• येन (yena) - by which, with which

• पार्थः (pārthaḥ) - Arjuna (son of Pṛthā)

• अजयत् (ajayat) - conquered, won

• कृत्स्नाम् (kṛtsnām) - the entire, the whole, complete

• दिशम् (diśam) - direction, quarter

• प्राचीम् (prācīm) - eastern

• परंतपः (paraṁtapaḥ) - an epithet for Arjuna (tormentor of foes, oppressor of enemies)

Words meanings and morphology

सुपार्श्वम् (supārśvam) - well-proportioned, beautiful, having good sides

(adjective)

Nominative, neuter, singular of supārśva

supārśva - having good sides, beautiful, well-proportioned

Compound type : bahuvrīhi (su+pārśva)

• su – good, well, excellent
  indeclinable
• pārśva – side, flank
  noun (neuter)

भीमसेनस्य (bhīmasenasya) - of Bhīmasena

(proper noun)

Genitive, masculine, singular of bhīmasena

bhīmasena - Bhīmasena (name of a Pāṇḍava prince)

जातरूपग्रहम् (jātarūpagraham) - having a golden grip/handle

(adjective)

Nominative, neuter, singular of jātarūpagraha

jātarūpagraha - having a gold grip/handle

Compound type : bahuvrīhi (jātarūpa+graha)

• jātarūpa – gold
  noun (neuter)
• graha – grip, handle, holding
  noun (masculine)
  Root: grah (class 9)

Note: Modifies 'dhanuḥ'.

धनुः (dhanuḥ) - bow

(noun)

Nominative, neuter, singular of dhanus

dhanus - bow

येन (yena) - by which, with which

(pronoun)

Instrumental, neuter, singular of yad

yad - which, what

पार्थः (pārthaḥ) - Arjuna (son of Pṛthā)

(proper noun)

Nominative, masculine, singular of pārtha

pārtha - son of Pṛthā (Kuntī); Arjuna

अजयत् (ajayat) - conquered, won

(verb)

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

Root: ji (class 1)

कृत्स्नाम् (kṛtsnām) - the entire, the whole, complete

(adjective)

Accusative, feminine, singular of kṛtsna

kṛtsna - entire, whole, complete

Note: Modifies 'diśam'.

दिशम् (diśam) - direction, quarter

(noun)

Accusative, feminine, singular of diś

diś - direction, quarter of the sky

प्राचीम् (prācīm) - eastern

(adjective)

Accusative, feminine, singular of prācī

prācī - eastern

Note: Modifies 'diśam'.

परंतपः (paraṁtapaḥ) - an epithet for Arjuna (tormentor of foes, oppressor of enemies)

(adjective)

Nominative, masculine, singular of paraṃtapa

paraṁtapa - one who torments others (enemies)

Compound type : upapada tatpurusha (param+tapa)

• param – other, supreme, highest, enemy
  pronoun (neuter)
• tapa – heating, tormenting, asceticism
  noun (masculine)
  agent noun
  Derived from root 'tap' (to heat, to torment)
  Root: tap (class 1)