महाभारतः mahābhārataḥ - book-7, chapter-144, verse-40

तस्मिन्कोलाहले युद्धे वर्तमाने निशामुखे ।
अवधीत्समरे पुत्रं पिता भरतसत्तम ॥४०॥

40. tasminkolāhale yuddhe vartamāne niśāmukhe ,
avadhītsamare putraṁ pitā bharatasattama.

40. tasmin kolāhale yuddhe vartamāne niśāmukhe
avadhīt samare putram pitā bharatasattama

40. bharatasattama tasmin kolāhale yuddhe
vartamāne niśāmukhe pitā putram samare avadhīt

40. O best among the Bhāratas, at the start of that tumultuous battle, as it raged on into the night, a father killed his own son in the fight.

Words meanings summery:

• तस्मिन् (tasmin) - in that

• कोलाहले (kolāhale) - in the great uproar, in the tumult

• युद्धे (yuddhe) - in the battle

• वर्तमाने (vartamāne) - in the continuing, in the ongoing (battle)

• निशामुखे (niśāmukhe) - at the beginning of the night, at nightfall

• अवधीत् (avadhīt) - he killed, struck down

• समरे (samare) - in the battle

• पुत्रम् (putram) - son

• पिता (pitā) - father

• भरतसत्तम (bharatasattama) - O best among the Bhāratas

Words meanings and morphology

तस्मिन् (tasmin) - in that

(pronoun)

Locative, neuter, singular of tad

tad - that, this

कोलाहले (kolāhale) - in the great uproar, in the tumult

(noun)

Locative, masculine, singular of kolāhala

kolāhala - uproar, tumult, great noise

युद्धे (yuddhe) - in the battle

(noun)

Locative, neuter, singular of yuddha

yuddha - battle, war, fight

वर्तमाने (vartamāne) - in the continuing, in the ongoing (battle)

(adjective)

Locative, neuter, singular of vartamāna

vartamāna - being, existing, present, current, ongoing

Present Active Participle

Derived from root vṛt (to turn, to exist)

Root: vṛt (class 1)

निशामुखे (niśāmukhe) - at the beginning of the night, at nightfall

(noun)

Locative, neuter, singular of niśāmukha

niśāmukha - beginning of the night, nightfall

Compound type : tatpuruṣa (niśā+mukha)

• niśā – night
  noun (feminine)
• mukha – face, mouth, beginning, front
  noun (neuter)

अवधीत् (avadhīt) - he killed, struck down

(verb)

3rd person , singular, active, aorist (luṅ) of han

Aorist

3rd person singular aorist active of han

Root: han (class 2)

समरे (samare) - in the battle

(noun)

Locative, masculine, singular of samara

samara - battle, war, combat

पुत्रम् (putram) - son

(noun)

Accusative, masculine, singular of putra

putra - son, child

पिता (pitā) - father

(noun)

Nominative, masculine, singular of pitṛ

pitṛ - father

भरतसत्तम (bharatasattama) - O best among the Bhāratas

(noun)

Vocative, masculine, singular of bharatasattama

bharatasattama - best among the Bhāratas, most excellent Bharata

Compound type : tatpuruṣa (bharata+sattama)

• bharata – descendant of Bharata, a clan name
  proper noun (masculine)
• sattama – best, most excellent, supreme
  adjective (masculine)