महाभारतः mahābhārataḥ - book-5, chapter-70, verse-71

लाङ्गूलचालनं क्ष्वेडः प्रतिरावो विवर्तनम् ।
दन्तदर्शनमारावस्ततो युद्धं प्रवर्तते ॥७१॥

71. lāṅgūlacālanaṁ kṣveḍaḥ pratirāvo vivartanam ,
dantadarśanamārāvastato yuddhaṁ pravartate.

71. lāṅgūlacālanam kṣveḍaḥ pratirāvaḥ vivartanam
dantadarśanam ārāvaḥ tataḥ yuddham pravartate

71. Tail-wagging, growling, answering roars, circling around, showing teeth, and roaring—then a fight ensues.

Words meanings summery:

• लाङ्गूलचालनम् (lāṅgūlacālanam) - tail-wagging, moving the tail

• क्ष्वेडः (kṣveḍaḥ) - roar, growl, scream

• प्रतिरावः (pratirāvaḥ) - answering cry, echo, counter-roar

• विवर्तनम् (vivartanam) - turning, circling, revolving

• दन्तदर्शनम् (dantadarśanam) - showing teeth, baring teeth

• आरावः (ārāvaḥ) - roar, cry, clamor

• ततः (tataḥ) - then, thence, afterwards

• युद्धम् (yuddham) - battle, fight, combat

• प्रवर्तते (pravartate) - commences, begins, takes place, ensues

Words meanings and morphology

लाङ्गूलचालनम् (lāṅgūlacālanam) - tail-wagging, moving the tail

(noun)

Nominative, neuter, singular of lāṅgūlacālana

lāṅgūlacālana - tail-wagging, moving the tail

Compound type : tatpuruṣa (lāṅgūla+cālana)

• lāṅgūla – tail
  noun (neuter)
• cālana – moving, shaking, agitation
  noun (neuter)
  Derived from the causative root √cal (to move) with suffix -ana.
  Root: cal (class 1)

क्ष्वेडः (kṣveḍaḥ) - roar, growl, scream

(noun)

Nominative, masculine, singular of kṣveḍa

kṣveḍa - roar, growl, scream

Derived from root kṣveḍ (to roar, growl).

Root: kṣveḍ (class 1)

प्रतिरावः (pratirāvaḥ) - answering cry, echo, counter-roar

(noun)

Nominative, masculine, singular of pratirāva

pratirāva - answering cry, echo, counter-roar

Formed with prefix prati- and root ru (to roar, cry).

Prefix: prati

Root: ru (class 2)

विवर्तनम् (vivartanam) - turning, circling, revolving

(noun)

Nominative, neuter, singular of vivartana

vivartana - turning, circling, revolving

Derived from root √vṛt (to turn) with prefix vi-.

Prefix: vi

Root: vṛt (class 1)

दन्तदर्शनम् (dantadarśanam) - showing teeth, baring teeth

(noun)

Nominative, neuter, singular of dantadarśana

dantadarśana - showing teeth

Compound type : tatpuruṣa (danta+darśana)

• danta – tooth
  noun (masculine)
• darśana – seeing, showing, perception
  noun (neuter)
  Derived from root √dṛś (to see) with suffix -ana.
  Root: dṛś (class 1)

आरावः (ārāvaḥ) - roar, cry, clamor

(noun)

Nominative, masculine, singular of ārāva

ārāva - roar, cry, clamor

Derived from root √ru (to roar) with prefix ā-.

Prefix: ā

Root: ru (class 2)

ततः (tataḥ) - then, thence, afterwards

(indeclinable)

युद्धम् (yuddham) - battle, fight, combat

(noun)

Nominative, neuter, singular of yuddha

yuddha - battle, fight, combat

Past Passive Participle (when used as adjective)

Derived from root √yudh (to fight).

Root: yudh (class 4)

प्रवर्तते (pravartate) - commences, begins, takes place, ensues

(verb)

3rd person , singular, middle, present (laṭ) of √vṛt

Present tense

Root √vṛt with prefix pra-.

Prefix: pra

Root: vṛt (class 1)