महाभारतः mahābhārataḥ - book-7, chapter-150, verse-71

अथ संधाय वायव्यमस्त्रमस्त्रविदां वरः ।
व्यधमत्कालमेघं तं कर्णो वैकर्तनो वृषा ॥७१॥

71. atha saṁdhāya vāyavyamastramastravidāṁ varaḥ ,
vyadhamatkālameghaṁ taṁ karṇo vaikartano vṛṣā.

71. atha saṃdhāya vāyavyam astram astravidām varaḥ
vyadhamat kālamegham tam karṇaḥ vaikartanaḥ vṛṣā

71. atha astravidām varaḥ vaikartanaḥ vṛṣā karṇaḥ
vāyavyam astram saṃdhāya tam kālamegham vyadhamat

71. Then, Karṇa, the foremost among those skilled in weapons, the powerful (vṛṣā) son of Sūrya (Vaikartana), having invoked the wind-weapon, dispersed that dark cloud.

Words meanings summery:

• अथ (atha) - then, thereupon, now, next

• संधाय (saṁdhāya) - having placed, having fixed, having aimed, having joined

• वायव्यम् (vāyavyam) - relating to Vāyu, pertaining to wind, the wind-weapon

• अस्त्रम् (astram) - weapon, missile

• अस्त्रविदाम् (astravidām) - of those who know weapons, among those who are skilled in weapons

• वरः (varaḥ) - best, excellent, foremost, boon

• व्यधमत् (vyadhamat) - he shattered, he dispersed, he blew away

• कालमेघम् (kālamegham) - the dark cloud-like illusion created by Ghaṭotkaca (dark cloud, black cloud)

• तम् (tam) - that (referring to the dark cloud-like illusion) (him, that (masculine accusative singular))

• कर्णः (karṇaḥ) - Karṇa (proper name)

• वैकर्तनः (vaikartanaḥ) - son of Vikaśana (an epithet of Karṇa, as son of Sūrya)

• वृषा (vṛṣā) - powerful (as an epithet of a hero, Karṇa) (bull, strong, powerful, virile)

Words meanings and morphology

अथ (atha) - then, thereupon, now, next

(indeclinable)

संधाय (saṁdhāya) - having placed, having fixed, having aimed, having joined

(indeclinable)

absolutive

Derived from root dhā (to place, hold) with upasarga sam, forming an absolutive (gerund).

Prefix: sam

Root: dhā (class 3)

वायव्यम् (vāyavyam) - relating to Vāyu, pertaining to wind, the wind-weapon

(adjective)

Accusative, neuter, singular of vāyavya

vāyavya - relating to Vāyu, wind-like, the wind-weapon

Derived from Vāyu with suffix -ya.

अस्त्रम् (astram) - weapon, missile

(noun)

Accusative, neuter, singular of astra

astra - weapon, missile, dart

Root: as (class 4)

अस्त्रविदाम् (astravidām) - of those who know weapons, among those who are skilled in weapons

(noun)

Genitive, masculine, plural of astravid

astravid - one who knows weapons, skilled in missiles

Compound type : tatpuruṣa (astra+vid)

• astra – weapon, missile
  noun (neuter)
  Root: as (class 4)
• vid – knowing, skilled
  adjective (masculine)
  agent noun/adjective from root vid
  Derived from root vid (to know).
  Root: vid (class 2)

वरः (varaḥ) - best, excellent, foremost, boon

(adjective)

Nominative, masculine, singular of vara

vara - best, excellent, foremost, boon

Root: vṛ (class 1)

व्यधमत् (vyadhamat) - he shattered, he dispersed, he blew away

(verb)

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

Imperfect

Root dham (to blow) with upasarga vi. 3rd person singular, active voice.

Prefix: vi

Root: dham (class 1)

कालमेघम् (kālamegham) - the dark cloud-like illusion created by Ghaṭotkaca (dark cloud, black cloud)

(noun)

Accusative, masculine, singular of kālamegha

kālamegha - dark cloud, black cloud

Compound type : karmadhāraya (kāla+megha)

• kāla – black, dark, time
  adjective (masculine)
• megha – cloud
  noun (masculine)

तम् (tam) - that (referring to the dark cloud-like illusion) (him, that (masculine accusative singular))

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

कर्णः (karṇaḥ) - Karṇa (proper name)

(proper noun)

Nominative, masculine, singular of karṇa

karṇa - Karṇa (proper name), ear

वैकर्तनः (vaikartanaḥ) - son of Vikaśana (an epithet of Karṇa, as son of Sūrya)

(proper noun)

Nominative, masculine, singular of vaikartana

vaikartana - son of Vikaśana (Sūrya), Karṇa

Patronymic from Vikaśana (Sūrya).

वृषा (vṛṣā) - powerful (as an epithet of a hero, Karṇa) (bull, strong, powerful, virile)

(noun)

Nominative, masculine, singular of vṛṣan

vṛṣan - bull, male, powerful, strong