महाभारतः mahābhārataḥ - book-7, chapter-50, verse-2

व्यपयातेषु सैन्येषु वासाय भरतर्षभ ।
हत्वा संशप्तकव्रातान्दिव्यैरस्त्रैः कपिध्वजः ॥२॥

2. vyapayāteṣu sainyeṣu vāsāya bharatarṣabha ,
hatvā saṁśaptakavrātāndivyairastraiḥ kapidhvajaḥ.

2. vyapayāteṣu sainyeṣu vāsāya bharata-ṛṣabha hatvā
saṃśaptaka-vrātān divyaiḥ astraiḥ kapi-dhvajaḥ

2. bharata-ṛṣabha sainyeṣu vāsāya vyapayāteṣu
kapi-dhvajaḥ divyaiḥ astraiḥ saṃśaptaka-vrātān hatvā

2. O best of Bharatas (bharatarṣabha), when the armies had dispersed to their quarters for the night, Arjuna (kapidhvaja), having slain the hosts of Saṃśaptakas with divine weapons...

Words meanings summery:

• व्यपयातेषु (vyapayāteṣu) - having dispersed, having gone away

• सैन्येषु (sainyeṣu) - in the armies, among the troops

• वासाय (vāsāya) - for their camps/quarters (for dwelling, for encampment)

• भरत-ऋषभ (bharata-ṛṣabha) - O best of Bharatas

• हत्वा (hatvā) - having killed, having slain

• संशप्तक-व्रातान् (saṁśaptaka-vrātān) - the hosts of Saṃśaptakas

• दिव्यैः (divyaiḥ) - by divine, with divine

• अस्त्रैः (astraiḥ) - by weapons, with weapons

• कपि-ध्वजः (kapi-dhvajaḥ) - Arjuna (he whose banner is a monkey)

Words meanings and morphology

व्यपयातेषु (vyapayāteṣu) - having dispersed, having gone away

(adjective)

Locative, masculine/neuter, plural of vyapayāta

vyapayāta - gone away, dispersed, departed

Past Passive Participle

Formed from root i (to go) with prefixes vi- and apa-

Prefixes: vi+apa

Root: i (class 2)

Note: Used in locative absolute construction

सैन्येषु (sainyeṣu) - in the armies, among the troops

(noun)

Locative, neuter, plural of sainya

sainya - army, host, troops

Derived from senā (army) with suffix -ya

Note: Used in locative absolute construction

वासाय (vāsāya) - for their camps/quarters (for dwelling, for encampment)

(noun)

Dative, masculine, singular of vāsa

vāsa - dwelling, habitation, abode, camp

Derived from root vas (to dwell)

Root: vas (class 1)

भरत-ऋषभ (bharata-ṛṣabha) - O best of Bharatas

(noun)

Vocative, masculine, singular of bharata-ṛṣabha

bharata-ṛṣabha - bull/best of the Bharatas

Tatpuruṣa compound: 'bull among Bharatas' (i.e., best of Bharatas)

Compound type : tatpurusha (bharata+ṛṣabha)

• bharata – descendant of Bharata, a king, an Indian
  proper noun (masculine)
• ṛṣabha – bull, best, chief, excellent
  noun (masculine)

हत्वा (hatvā) - having killed, having slain

(indeclinable)

absolutive (gerund)

Formed from root han (to strike, kill) with suffix -tvā

Root: han (class 2)

संशप्तक-व्रातान् (saṁśaptaka-vrātān) - the hosts of Saṃśaptakas

(noun)

Accusative, masculine, plural of saṃśaptaka-vrāta

saṁśaptaka-vrāta - multitude/horde of Saṃśaptakas

Tatpuruṣa compound of saṃśaptaka (sworn warrior) and vrāta (multitude)

Compound type : tatpurusha (saṃśaptaka+vrāta)

• saṃśaptaka – one who has sworn (a desperate oath to fight to the death)
  noun (masculine)
  Derived from root śap (to swear) with prefix sam-
  Prefix: sam
  Root: śap (class 1)
• vrāta – multitude, host, troop, collection
  noun (masculine)

दिव्यैः (divyaiḥ) - by divine, with divine

(adjective)

Instrumental, neuter, plural of divya

divya - divine, celestial, heavenly, supernatural

Derived from div (heaven, sky)

अस्त्रैः (astraiḥ) - by weapons, with weapons

(noun)

Instrumental, neuter, plural of astra

astra - missile, weapon (especially one discharged by incantation)

Derived from root as (to throw)

Root: as (class 4)

कपि-ध्वजः (kapi-dhvajaḥ) - Arjuna (he whose banner is a monkey)

(noun)

Nominative, masculine, singular of kapi-dhvaja

kapi-dhvaja - he who has a monkey on his banner

Bahuvrīhi compound: 'whose banner (dhvaja) is a monkey (kapi)'. An epithet for Arjuna.

Compound type : bahuvrihi (kapi+dhvaja)

• kapi – monkey
  noun (masculine)
• dhvaja – banner, standard, flag
  noun (masculine)