महाभारतः mahābhārataḥ - book-10, chapter-14, verse-4

केशवेनैवमुक्तस्तु पाण्डवः परवीरहा ।
अवातरद्रथात्तूर्णं प्रगृह्य सशरं धनुः ॥४॥

4. keśavenaivamuktastu pāṇḍavaḥ paravīrahā ,
avātaradrathāttūrṇaṁ pragṛhya saśaraṁ dhanuḥ.

4. keśavena evam uktaḥ tu pāṇḍavaḥ paravīrahā
avātarat rathāt tūrṇam pragṛhya saśaram dhanuḥ

4. tu keśavena evam uktaḥ paravīrahā pāṇḍavaḥ
saśaram dhanuḥ pragṛhya tūrṇam rathāt avātarat

4. But the Pāṇḍava (Arjuna), slayer of enemy heroes, thus addressed by Keśava (Krishna), quickly descended from the chariot, grasping his bow with arrows.

Words meanings summery:

• केशवेन (keśavena) - by Krishna (by Keśava)

• एवम् (evam) - thus, in this manner

• उक्तः (uktaḥ) - spoken, addressed

• तु (tu) - but, indeed, on the other hand

• पाण्डवः (pāṇḍavaḥ) - Arjuna (the son of Pāṇḍu)

• परवीरहा (paravīrahā) - slayer of enemy heroes

• अवातरत् (avātarat) - descended

• रथात् (rathāt) - from the chariot

• तूर्णम् (tūrṇam) - quickly, swiftly

• प्रगृह्य (pragṛhya) - having seized, having grasped, holding

• सशरम् (saśaram) - with arrows, along with arrows

• धनुः (dhanuḥ) - bow

Words meanings and morphology

केशवेन (keśavena) - by Krishna (by Keśava)

(proper noun)

Instrumental, masculine, singular of keśava

keśava - Keśava (an epithet of Krishna), having long hair

एवम् (evam) - thus, in this manner

(indeclinable)

उक्तः (uktaḥ) - spoken, addressed

(adjective)

Nominative, masculine, singular of ukta

ukta - spoken, said, told

Past Passive Participle

Derived from root vac (to speak)

Root: vac (class 2)

तु (tu) - but, indeed, on the other hand

(indeclinable)

पाण्डवः (pāṇḍavaḥ) - Arjuna (the son of Pāṇḍu)

(proper noun)

Nominative, masculine, singular of pāṇḍava

pāṇḍava - descendant of Pāṇḍu

परवीरहा (paravīrahā) - slayer of enemy heroes

(noun)

Nominative, masculine, singular of paravīrahā

paravīrahā - slayer of enemy heroes

Compound type : tatpuruṣa (para+vīra+hā)

• para – enemy, hostile, other, supreme
  adjective (masculine)
• vīra – hero, brave man, warrior
  noun (masculine)
• han – killer, slayer
  noun (masculine)
  Agent noun from root han
  Root: han (class 2)

अवातरत् (avātarat) - descended

(verb)

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

Prefix: ava

Root: tṛ (class 1)

रथात् (rathāt) - from the chariot

(noun)

Ablative, masculine, singular of ratha

ratha - chariot, car

तूर्णम् (tūrṇam) - quickly, swiftly

(indeclinable)

Past Passive Participle

Derived from root tur (to hasten)

Root: tur (class 6)

प्रगृह्य (pragṛhya) - having seized, having grasped, holding

(indeclinable)

Absolutive (Gerund)

Derived from root grah with prefix pra

Prefix: pra

Root: grah (class 9)

सशरम् (saśaram) - with arrows, along with arrows

(adjective)

Accusative, neuter, singular of saśara

saśara - having arrows, furnished with arrows

Compound type : bahuvrīhi (sa+śara)

• sa – with, together with
  indeclinable
• śara – arrow
  noun (masculine)

धनुः (dhanuḥ) - bow

(noun)

Accusative, neuter, singular of dhanus

dhanus - bow