महाभारतः mahābhārataḥ - book-1, chapter-219, verse-22

देवराजे गते राजन्प्रहृष्टौ कृष्णपाण्डवौ ।
निर्विशङ्कं पुनर्दावं दाहयामासतुस्तदा ॥२२॥

22. devarāje gate rājanprahṛṣṭau kṛṣṇapāṇḍavau ,
nirviśaṅkaṁ punardāvaṁ dāhayāmāsatustadā.

22. devarāje gate rājan prahṛṣṭau kṛṣṇapāṇḍavau
nirviśaṅkam punaḥ dāvam dāhayāmāsatus tadā

22. O King, when the king of the gods had departed, Krishna and Arjuna, greatly pleased, then fearlessly caused the forest fire to blaze again.

Words meanings summery:

• देवराजे (devarāje) - in the king of gods, in Indra

• गते (gate) - having gone, departed

• राजन् (rājan) - O King

• प्रहृष्टौ (prahṛṣṭau) - greatly pleased, overjoyed

• कृष्णपाण्डवौ (kṛṣṇapāṇḍavau) - Krishna and Arjuna

• निर्विशङ्कम् (nirviśaṅkam) - fearlessly, without doubt

• पुनः (punaḥ) - again

• दावम् (dāvam) - forest fire, forest

• दाहयामासतुस् (dāhayāmāsatus) - they (dual) caused to burn

• तदा (tadā) - then, at that time

Words meanings and morphology

देवराजे (devarāje) - in the king of gods, in Indra

(noun)

Locative, masculine, singular of devarāja

devarāja - king of gods, Indra

Compound type : tatpuruṣa (deva+rāja)

• deva – god, deity
  noun (masculine)
• rāja – king
  noun (masculine)

गते (gate) - having gone, departed

(adjective)

Locative, masculine, singular of gata

gata - gone, departed, reached

Past Passive Participle

from root gam with suffix kta

Root: gam (class 1)

राजन् (rājan) - O King

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

प्रहृष्टौ (prahṛṣṭau) - greatly pleased, overjoyed

(adjective)

Nominative, masculine, dual of prahṛṣṭa

prahṛṣṭa - very happy, delighted, overjoyed

Past Passive Participle

from root hṛṣ with prefix pra and suffix kta

Prefix: pra

Root: hṛṣ (class 4)

कृष्णपाण्डवौ (kṛṣṇapāṇḍavau) - Krishna and Arjuna

(noun)

Nominative, masculine, dual of kṛṣṇapāṇḍava

kṛṣṇapāṇḍava - Krishna and the son of Pāṇḍu (Arjuna)

Compound type : dvandva (kṛṣṇa+pāṇḍava)

• kṛṣṇa – Krishna
  proper noun (masculine)
• pāṇḍava – descendant of Pāṇḍu, Arjuna
  noun (masculine)

निर्विशङ्कम् (nirviśaṅkam) - fearlessly, without doubt

(indeclinable)

पुनः (punaḥ) - again

(indeclinable)

दावम् (dāvam) - forest fire, forest

(noun)

Accusative, masculine, singular of dāva

dāva - forest fire, a forest

दाहयामासतुस् (dāhayāmāsatus) - they (dual) caused to burn

(verb)

3rd person , dual, active, perfect (lit) of dāhayāmāsa

Perfect (causative)

From root dah with causative (ṇic) + ām (connecting vowel) + as (Perfect, 3rd dual)

Root: dah (class 1)

तदा (tadā) - then, at that time

(indeclinable)