महाभारतः mahābhārataḥ - book-1, chapter-17, verse-18

एवं सुतुमुले युद्धे वर्तमाने भयावहे ।
नरनारायणौ देवौ समाजग्मतुराहवम् ॥१८॥

18. evaṁ sutumule yuddhe vartamāne bhayāvahe ,
naranārāyaṇau devau samājagmaturāhavam.

18. evam sutumule yuddhe vartamāne bhayāvahe
nara-nārāyaṇau devau samājagmatuḥ āhavam

18. While such a tremendously fierce and terrifying battle was going on, the two divine beings, Nara and Narayana, arrived at the combat.

Words meanings summery:

• एवम् (evam) - in such a way, thus (thus, in this manner)

• सुतुमुले (sutumule) - in a very tumultuous (battle) (very fierce, greatly tumultuous)

• युद्धे (yuddhe) - in the battle (in battle, in war)

• वर्तमाने (vartamāne) - while it was ongoing (being, existing, occurring)

• भयावहे (bhayāvahe) - terrifying (battle) (terrifying, dreadful)

• नर-नारायणौ (nara-nārāyaṇau) - the divine sages Nara and Narayana (Nara and Narayana)

• देवौ (devau) - the two divine beings (two gods, divine beings)

• समाजग्मतुः (samājagmatuḥ) - they both arrived (they both arrived, they both came together)

• आहवम् (āhavam) - at the combat (battle, combat, challenge)

Words meanings and morphology

एवम् (evam) - in such a way, thus (thus, in this manner)

(indeclinable)

सुतुमुले (sutumule) - in a very tumultuous (battle) (very fierce, greatly tumultuous)

(adjective)

Locative, neuter, singular of sutumula

sutumula - very turbulent, extremely fierce, exceedingly tumultuous

Compound: su (very) + tumula (tumultuous)

Compound type : karmadhāraya (su+tumula)

• su – good, well, very
  indeclinable
• tumula – tumultuous, noisy, fierce, dreadful
  adjective (neuter)
  Root: tumul

युद्धे (yuddhe) - in the battle (in battle, in war)

(noun)

Locative, neuter, singular of yuddha

yuddha - battle, fight, war

action noun / past passive participle

from yudh (to fight)

Root: yudh (class 4)

Note: Part of locative absolute construction

वर्तमाने (vartamāne) - while it was ongoing (being, existing, occurring)

(participle)

Locative, neuter, singular of vartamāna

vartamāna - existing, being, present, occurring

present middle participle

from vṛt (to turn, exist) + śānac

Root: vṛt (class 1)

Note: Part of locative absolute construction, qualifying yuddhe

भयावहे (bhayāvahe) - terrifying (battle) (terrifying, dreadful)

(adjective)

Locative, neuter, singular of bhayāvaha

bhayāvaha - causing fear, dreadful, terrible

Compound: bhaya (fear) + āvaha (bringing)

Compound type : tatpuruṣa (bhaya+āvaha)

• bhaya – fear, dread
  noun (neuter)
  action noun
  from bhī (to fear)
  Root: bhī (class 3)
• āvaha – bringing, causing, producing
  adjective (masculine)
  agent noun/verbal adjective
  from ā-vah (to bring, convey)
  Prefix: ā
  Root: vah (class 1)

नर-नारायणौ (nara-nārāyaṇau) - the divine sages Nara and Narayana (Nara and Narayana)

(noun)

Nominative, masculine, dual of nara-nārāyaṇa

nara-nārāyaṇa - Nara and Narayana (a pair of ancient sages, incarnations of Vishnu)

Compound type : dvandva (nara+nārāyaṇa)

• nara – man, human, a sage named Nara
  noun (masculine)
  Root: nṛ
• nārāyaṇa – Narayana (a name of Vishnu/Krishna), son of Nara
  noun (masculine)

Note: Subject of samājagmatuḥ

देवौ (devau) - the two divine beings (two gods, divine beings)

(noun)

Nominative, masculine, dual of deva

deva - god, deity, divine being

Root: div

Note: Apposition to nara-nārāyaṇau

समाजग्मतुः (samājagmatuḥ) - they both arrived (they both arrived, they both came together)

(verb)

3rd person , dual, active, past perfect (liṭ) of gam

perfect

from sam-ā-gam (to come together, arrive)

Prefixes: sam+ā

Root: gam (class 1)

आहवम् (āhavam) - at the combat (battle, combat, challenge)

(noun)

Accusative, masculine, singular of āhava

āhava - battle, war, challenge, summons

action noun

from ā-hve (to call, challenge)

Prefix: ā

Root: hve (class 1)

Note: Directional accusative