महाभारतः mahābhārataḥ - book-7, chapter-44, verse-22

अर्जुनेन तपस्तप्त्वा गन्धर्वेभ्यो यदाहृतम् ।
तुम्बुरुप्रमुखेभ्यो वै तेनामोहयताहितान् ॥२२॥

22. arjunena tapastaptvā gandharvebhyo yadāhṛtam ,
tumburupramukhebhyo vai tenāmohayatāhitān.

22. arjunena tapas taptvā gandharvebhyaḥ yadā āhṛtam
tumburupramukebhyaḥ vai tena amohayat ahitān

22. tena arjunena tapas taptvā yadā gandharvebhyaḥ
tumburupramukebhyaḥ vai āhṛtam ahitān amohayat

22. By that (power), which Arjuna obtained from the Gandharvas, especially from Tumburu and other prominent figures, after performing asceticism (tapas), he bewildered his enemies.

Words meanings summery:

• अर्जुनेन (arjunena) - by Arjuna, the Pandava prince (by Arjuna)

• तपस् (tapas) - ascetic practice (asceticism, penance, heat)

• तप्त्वा (taptvā) - having performed severe penance (having performed asceticism, having heated)

• गन्धर्वेभ्यः (gandharvebhyaḥ) - from the Gandharvas (celestial musicians) (from the Gandharvas, to the Gandharvas)

• यदा (yadā) - that which (referring to the magic/boon) (when, at which time)

• आहृतम् (āhṛtam) - obtained (as a boon or knowledge) (brought, obtained, collected)

• तुम्बुरुप्रमुकेभ्यः (tumburupramukebhyaḥ) - from Tumburu and other prominent Gandharvas (from those led by Tumburu, from Tumburu and others)

• वै (vai) - indeed, emphasizing the source (indeed, certainly, verily)

• तेन (tena) - by that (power/magic that Arjuna obtained) (by him, by that)

• अमोहयत् (amohayat) - he deluded (his enemies) (he bewildered, he deluded)

• अहितान् (ahitān) - his enemies (enemies, those who are not friends)

Words meanings and morphology

अर्जुनेन (arjunena) - by Arjuna, the Pandava prince (by Arjuna)

(proper noun)

Instrumental, masculine, singular of arjuna

arjuna - white, clear, a proper name (Arjuna)

तपस् (tapas) - ascetic practice (asceticism, penance, heat)

(noun)

Accusative, neuter, singular of tapas

tapas - heat, asceticism, penance, religious austerity (tapas)

Root: tap (class 1)

Note: The form 'tapas' can be nominative or accusative singular. Here accusative as object of 'taptvā'.

तप्त्वा (taptvā) - having performed severe penance (having performed asceticism, having heated)

(indeclinable)

absolutive / gerund

derived from root 'tap' with suffix 'ktvā'

Root: tap (class 1)

गन्धर्वेभ्यः (gandharvebhyaḥ) - from the Gandharvas (celestial musicians) (from the Gandharvas, to the Gandharvas)

(noun)

masculine, plural of gandharva

gandharva - celestial musician, a class of divine beings

Note: Here ablative, indicating source.

यदा (yadā) - that which (referring to the magic/boon) (when, at which time)

(indeclinable)

आहृतम् (āhṛtam) - obtained (as a boon or knowledge) (brought, obtained, collected)

(adjective)

neuter, singular of āhṛta

āhṛta - brought, fetched, obtained

Past Passive Participle

derived from root 'hṛ' with upasarga 'ā', suffix 'kta'

Prefix: ā

Root: hṛ (class 1)

तुम्बुरुप्रमुकेभ्यः (tumburupramukebhyaḥ) - from Tumburu and other prominent Gandharvas (from those led by Tumburu, from Tumburu and others)

(noun)

masculine, plural of tumburupramukha

tumburupramukha - Tumburu as the chief/foremost

Compound type : tatpurusha (tumburu+pramukha)

• tumburu – a famous Gandharva, a kind of tree
  proper noun (masculine)
• pramukha – chief, principal, leading
  adjective (masculine)
  derived from 'mukha' with 'pra'
  Prefix: pra
  Root: mukha

Note: Here ablative, indicating source.

वै (vai) - indeed, emphasizing the source (indeed, certainly, verily)

(indeclinable)

particle

तेन (tena) - by that (power/magic that Arjuna obtained) (by him, by that)

(pronoun)

Instrumental, neuter, singular of tad

tad - that, he, she, it

अमोहयत् (amohayat) - he deluded (his enemies) (he bewildered, he deluded)

(verb)

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

Causal

Imperfect (Laṅ), 3rd person singular active, causal stem 'moh-i-'

Root: muh (class 4)

अहितान् (ahitān) - his enemies (enemies, those who are not friends)

(noun)

Accusative, masculine, plural of ahita

ahita - hostile, unfriendly, enemy

derived from 'hita' (friendly, beneficial) with negative prefix 'a'