महाभारतः mahābhārataḥ - book-5, chapter-10, verse-38

सवज्रमथ फेनं तं क्षिप्रं वृत्रे निसृष्टवान् ।
प्रविश्य फेनं तं विष्णुरथ वृत्रं व्यनाशयत् ॥३८॥

38. savajramatha phenaṁ taṁ kṣipraṁ vṛtre nisṛṣṭavān ,
praviśya phenaṁ taṁ viṣṇuratha vṛtraṁ vyanāśayat.

38. savajram atha phenam tam kṣipram vṛtre nisṛṣṭavān
praviśya phenam tam viṣṇuḥ atha vṛtram vyanāśayat

38. Then, with the thunderbolt (vajra), he quickly hurled that foam at Vṛtra. Viṣṇu, entering that foam, then destroyed Vṛtra.

Words meanings summery:

• सवज्रम् (savajram) - with the thunderbolt, along with the vajra

• अथ (atha) - then, now, thereupon

• फेनम् (phenam) - foam, froth

• तम् (tam) - that, him

• क्षिप्रम् (kṣipram) - quickly, swiftly

• वृत्रे (vṛtre) - at Vṛtra, against Vṛtra

• निसृष्टवान् (nisṛṣṭavān) - he hurled, he let loose

• प्रविश्य (praviśya) - having entered, entering

• फेनम् (phenam) - foam, froth

• तम् (tam) - that

• विष्णुः (viṣṇuḥ) - Viṣṇu

• अथ (atha) - then, now, thereupon

• वृत्रम् (vṛtram) - Vṛtra

• व्यनाशयत् (vyanāśayat) - he destroyed, he killed

Words meanings and morphology

सवज्रम् (savajram) - with the thunderbolt, along with the vajra

(adjective)

Accusative, neuter, singular of savajra

savajra - with the thunderbolt, possessing a thunderbolt

Compound type : bahuvrihi (sa+vajra)

• sa – with, together with
  indeclinable
• vajra – thunderbolt (Indra's weapon), diamond
  noun (masculine)

अथ (atha) - then, now, thereupon

(indeclinable)

फेनम् (phenam) - foam, froth

(noun)

Accusative, neuter, singular of phena

phena - foam, froth, scum

तम् (tam) - that, him

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

क्षिप्रम् (kṣipram) - quickly, swiftly

(indeclinable)

Note: Functions as an adverb

वृत्रे (vṛtre) - at Vṛtra, against Vṛtra

(proper noun)

Locative, masculine, singular of vṛtra

vṛtra - Vṛtra (a Vedic demon, personification of drought)

निसृष्टवान् (nisṛṣṭavān) - he hurled, he let loose

(adjective)

Nominative, masculine, singular of nisṛṣṭavat

nisṛj - to send forth, emit, hurl, cast, let loose

Perfect Active Participle

Derived from root √sṛj (सृज्) with prefix ni (नि)

Prefix: ni

Root: sṛj (class 6)

Note: Often used to form a finite past tense

प्रविश्य (praviśya) - having entered, entering

(indeclinable)

Absolutive (Gerund)

Derived from root √viś (विश्) with prefix pra (प्र)

Prefix: pra

Root: viś (class 6)

फेनम् (phenam) - foam, froth

(noun)

Accusative, neuter, singular of phena

phena - foam, froth, scum

तम् (tam) - that

(pronoun)

Accusative, neuter, singular of tad

tad - that, he, she, it

विष्णुः (viṣṇuḥ) - Viṣṇu

(proper noun)

Nominative, masculine, singular of viṣṇu

viṣṇu - Viṣṇu (a major Hindu deity), the pervader

अथ (atha) - then, now, thereupon

(indeclinable)

वृत्रम् (vṛtram) - Vṛtra

(proper noun)

Accusative, masculine, singular of vṛtra

vṛtra - Vṛtra (a Vedic demon, personification of drought)

व्यनाशयत् (vyanāśayat) - he destroyed, he killed

(verb)

3rd person , singular, active, past imperfect (laṅ) of vyanāśayat

Imperfect

Causative of root √naś (नश्) with prefix vi (वि), 3rd person singular active

Prefix: vi

Root: naś (class 4)