महाभारतः mahābhārataḥ - book-12, chapter-336, verse-8

वैशंपायन उवाच ।
समुपोढेष्वनीकेषु कुरुपाण्डवयोर्मृधे ।
अर्जुने विमनस्के च गीता भगवता स्वयम् ॥८॥

8. vaiśaṁpāyana uvāca ,
samupoḍheṣvanīkeṣu kurupāṇḍavayormṛdhe ,
arjune vimanaske ca gītā bhagavatā svayam.

8. vaiśampāyanaḥ uvāca samupodheṣu anīkeṣu kuru-pāṇḍavayoḥ
mṛdhe arjune vimanaske ca gītā bhagavatā svayam

8. vaiśampāyanaḥ uvāca: kuru-pāṇḍavayoḥ mṛdhe anīkeṣu samupodheṣu,
arjune ca vimanaske,
bhagavatā svayam gītā.

8. Vaiśampāyana said: When the armies of the Kurus and Pāṇḍavas were arrayed for battle, and Arjuna was despondent, the Bhagavad Gītā was sung by the Blessed Lord (bhagavān) himself.

Words meanings summery:

• वैशम्पायनः (vaiśampāyanaḥ) - Vaiśampāyana (name of a sage)

• उवाच (uvāca) - said, spoke

• समुपोधेषु (samupodheṣu) - arrayed, brought near, assembled

• अनीकेषु (anīkeṣu) - in the armies, among the hosts

• कुरु-पाण्डवयोः (kuru-pāṇḍavayoḥ) - of the Kurus and Pāṇḍavas

• मृधे (mṛdhe) - in battle, in conflict

• अर्जुने (arjune) - in Arjuna, when Arjuna

• विमनस्के (vimanaske) - despondent, disheartened, distressed

• च (ca) - and, also

• गीता (gītā) - the Bhagavad Gītā (was sung/spoken) (sung, recited, the Gītā (as in Bhagavad Gītā))

• भगवता (bhagavatā) - by the Blessed Lord, by Bhagavān

• स्वयम् (svayam) - personally, by oneself

Words meanings and morphology

वैशम्पायनः (vaiśampāyanaḥ) - Vaiśampāyana (name of a sage)

(proper noun)

Nominative, masculine, singular of vaiśampāyana

vaiśampāyana - Vaiśampāyana (a sage, disciple of Vyāsa)

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, perfect (lit) of vac

Root: vac (class 2)

समुपोधेषु (samupodheṣu) - arrayed, brought near, assembled

(adjective)

Locative, neuter, plural of samupodha

samupodha - brought near, arrayed, assembled

Past Passive Participle

Derived from root vah with prefixes sam and upa

Prefixes: sam+upa

Root: vah (class 1)

अनीकेषु (anīkeṣu) - in the armies, among the hosts

(noun)

Locative, neuter, plural of anīka

anīka - army, host, battle array

कुरु-पाण्डवयोः (kuru-pāṇḍavayoḥ) - of the Kurus and Pāṇḍavas

(noun)

Genitive, masculine, dual of kuru-pāṇḍava

kuru-pāṇḍava - Kurus and Pāṇḍavas (the two warring factions in the Mahābhārata)

Compound type : dvandva (kuru+pāṇḍava)

• kuru – Kuru (name of an ancient king, also his descendants)
  proper noun (masculine)
• pāṇḍava – Pāṇḍava (descendant of Pāṇḍu)
  proper noun (masculine)

मृधे (mṛdhe) - in battle, in conflict

(noun)

Locative, feminine, singular of mṛdh

mṛdh - battle, combat, conflict

अर्जुने (arjune) - in Arjuna, when Arjuna

(proper noun)

Locative, masculine, singular of arjuna

arjuna - Arjuna (name of one of the Pāṇḍava princes)

विमनस्के (vimanaske) - despondent, disheartened, distressed

(adjective)

Locative, masculine, singular of vimanaska

vimanaska - disheartened, dejected, despondent, without spirit

च (ca) - and, also

(indeclinable)

गीता (gītā) - the Bhagavad Gītā (was sung/spoken) (sung, recited, the Gītā (as in Bhagavad Gītā))

(noun)

Nominative, feminine, singular of gītā

gītā - sung, recited (feminine noun referring to a song/text)

Past Passive Participle

Derived from root gai

Root: gai (class 1)

भगवता (bhagavatā) - by the Blessed Lord, by Bhagavān

(noun)

Instrumental, masculine, singular of bhagavat

bhagavat - blessed, worshipful, divine, auspicious, Lord

स्वयम् (svayam) - personally, by oneself

(indeclinable)