महाभारतः mahābhārataḥ - book-7, chapter-60, verse-19

अथ जग्राह गोविन्दो रश्मीन्रश्मिवतां वरः ।
मातलिर्वासवस्येव वृत्रं हन्तुं प्रयास्यतः ॥१९॥

19. atha jagrāha govindo raśmīnraśmivatāṁ varaḥ ,
mātalirvāsavasyeva vṛtraṁ hantuṁ prayāsyataḥ.

19. atha jagrāha govindaḥ raśmīn raśmivatāṃ varaḥ
mātaliḥ vāsavasya iva vṛtram hantuṃ prayāsyataḥ

19. govindaḥ raśmivatāṃ varaḥ atha raśmīn jagrāha
vāsavasya vṛtram hantuṃ prayāsyataḥ mātaliḥ iva

19. Then Govinda, the foremost among those who hold the reins, took the reins, just as Matali (Indra's charioteer) would for Vasava (Indra) when he was about to set out to kill Vritra.

Words meanings summery:

• अथ (atha) - then, now, thereupon

• जग्राह (jagrāha) - seized, took, grasped

• गोविन्दः (govindaḥ) - Govinda (a name of Krishna)

• रश्मीन् (raśmīn) - reins, rays

• रश्मिवतां (raśmivatāṁ) - of charioteers (of those possessing reins/rays)

• वरः (varaḥ) - best, excellent, chosen

• मातलिः (mātaliḥ) - Matali (Indra's charioteer)

• वासवस्य (vāsavasya) - of Vasava (Indra)

• इव (iva) - like, as, as if

• वृत्रम् (vṛtram) - Vritra (a demon)

• हन्तुं (hantuṁ) - to kill, to strike

• प्रयास्यतः (prayāsyataḥ) - of him who was about to go forth/proceed

Words meanings and morphology

अथ (atha) - then, now, thereupon

(indeclinable)

जग्राह (jagrāha) - seized, took, grasped

(verb)

3rd person , singular, active, perfect (Lit) of grah

perfect tense, 3rd person singular

root grah (9th class, parasmayapada), perfect tense form

Root: grah (class 9)

गोविन्दः (govindaḥ) - Govinda (a name of Krishna)

(proper noun)

Nominative, masculine, singular of govinda

govinda - protector of cows, finder of cows, name of Krishna

Compound type : tatpurusha (go+vinda)

• go – cow, earth, ray of light
  noun (feminine)
• vinda – finder, obtainer
  noun (masculine)
  from root vid (to find)
  Root: vid (class 6)

रश्मीन् (raśmīn) - reins, rays

(noun)

Accusative, masculine, plural of raśmi

raśmi - ray, rein, bridle

रश्मिवतां (raśmivatāṁ) - of charioteers (of those possessing reins/rays)

(adjective)

Genitive, masculine, plural of raśmivat

raśmivat - possessing reins, having rays; charioteer, sun

possessive suffix -vat

वरः (varaḥ) - best, excellent, chosen

(adjective)

Nominative, masculine, singular of vara

vara - best, excellent, chosen, boon

मातलिः (mātaliḥ) - Matali (Indra's charioteer)

(proper noun)

Nominative, masculine, singular of mātali

mātali - Matali (the charioteer of Indra)

वासवस्य (vāsavasya) - of Vasava (Indra)

(proper noun)

Genitive, masculine, singular of vāsava

vāsava - son of Vasu, Indra

इव (iva) - like, as, as if

(indeclinable)

वृत्रम् (vṛtram) - Vritra (a demon)

(proper noun)

Accusative, masculine, singular of vṛtra

vṛtra - Vritra (an Asura, enemy of Indra)

हन्तुं (hantuṁ) - to kill, to strike

(indeclinable)

infinitive

infinitive form from root han (2nd class, parasmayapada)

Root: han (class 2)

प्रयास्यतः (prayāsyataḥ) - of him who was about to go forth/proceed

(adjective)

Genitive, masculine, singular of prayāsyat

prayāsyat - about to go forth, intending to proceed

future active participle

from root yā (to go) with prefix pra, future active participle

Prefix: pra

Root: yā (class 2)