महाभारतः mahābhārataḥ - book-7, chapter-140, verse-3

राज्ञस्ते वचनाद्राजन्पाञ्चालाः सोमकास्तथा ।
द्रोणमेवाभ्यवर्तन्त नदन्तो भैरवान्रवान् ॥३॥

3. rājñaste vacanādrājanpāñcālāḥ somakāstathā ,
droṇamevābhyavartanta nadanto bhairavānravān.

3. rājñaḥ te vacanāt rājan pāñcālāḥ somakāḥ tathā
droṇam eva abhyavartanta nadantaḥ bhairavān ravān

3. O King, in response to that command of the (other) king (Yudhiṣṭhira), the Pañcālas and the Somakas advanced upon Droṇa himself, uttering terrifying roars.

Words meanings summery:

• राज्ञः (rājñaḥ) - of the king

• ते (te) - that (command) (that, his, your)

• वचनात् (vacanāt) - from the word, from the command, due to the speech

• राजन् (rājan) - O king

• पाञ्चालाः (pāñcālāḥ) - the Pañcālas

• सोमकाः (somakāḥ) - the Somakas

• तथा (tathā) - thus, so, in that manner, also, and

• द्रोणम् (droṇam) - Drona

• एव (eva) - indeed, only, just, certainly

• अभ्यवर्तन्त (abhyavartanta) - they advanced upon, they turned towards, they attacked

• नदन्तः (nadantaḥ) - roaring, shouting, making noise

• भैरवान् (bhairavān) - dreadful, terrible, fierce

• रवान् (ravān) - roars, shouts, sounds

Words meanings and morphology

राज्ञः (rājñaḥ) - of the king

(noun)

Genitive, masculine, singular of rājan

rājan - king, ruler

Note: Refers to Yudhiṣṭhira.

ते (te) - that (command) (that, his, your)

(pronoun)

Genitive, neuter, singular of tad

tad - that, he, she, it

Note: Here, genitive singular, 'his' or 'that'.

वचनात् (vacanāt) - from the word, from the command, due to the speech

(noun)

Ablative, neuter, singular of vacana

vacana - word, speech, command

Root: vac (class 2)

Note: Indicates cause or origin.

राजन् (rājan) - O king

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

Note: Saṃjaya addressing Dhṛtarāṣṭra.

पाञ्चालाः (pāñcālāḥ) - the Pañcālas

(proper noun)

Nominative, masculine, plural of pāñcāla

pāñcāla - a king or people of the Pañcāla country

Note: Subject of the verb abhyavartanta.

सोमकाः (somakāḥ) - the Somakas

(proper noun)

Nominative, masculine, plural of somaka

somaka - the Somakas (a people/clan allied with Pañcālas)

Note: Subject of the verb abhyavartanta.

तथा (tathā) - thus, so, in that manner, also, and

(indeclinable)

Note: Conjunction 'and'.

द्रोणम् (droṇam) - Drona

(proper noun)

Accusative, masculine, singular of droṇa

droṇa - Drona (proper name, the Kaurava guru)

Note: Object of abhyavartanta.

एव (eva) - indeed, only, just, certainly

(indeclinable)

Note: Emphatic particle.

अभ्यवर्तन्त (abhyavartanta) - they advanced upon, they turned towards, they attacked

(verb)

3rd person , plural, middle, imperfect (laṅ) of abhivṛt

Imperfect Middle Indicative

3rd person plural, imperfect tense, middle voice. Prefixes 'abhi-' and 'ava-'.

Prefixes: abhi+ava

Root: vṛt (class 1)

Note: Past action by Pañcālas and Somakas.

नदन्तः (nadantaḥ) - roaring, shouting, making noise

(participle)

Nominative, masculine, plural of nadat

nadat - roaring, sounding, making noise

Present Active Participle

From root nad- (to roar, sound) + śatṛ suffix, declined in nominative masculine plural.

Root: nad (class 1)

Note: Simultaneous action with advancing.

भैरवान् (bhairavān) - dreadful, terrible, fierce

(adjective)

Accusative, masculine, plural of bhairava

bhairava - dreadful, terrible, fierce, formidable

Note: Qualifies ravān.

रवान् (ravān) - roars, shouts, sounds

(noun)

Accusative, masculine, plural of rava

rava - roar, cry, sound, noise

From root ru- (to roar, sound)

Root: ru (class 2)

Note: Object of roaring.