महाभारतः mahābhārataḥ - book-1, chapter-187, verse-19

गृह्णातु विधिवत्पाणिमद्यैव कुरुनन्दनः ।
पुण्येऽहनि महाबाहुरर्जुनः कुरुतां क्षणम् ॥१९॥

19. gṛhṇātu vidhivatpāṇimadyaiva kurunandanaḥ ,
puṇye'hani mahābāhurarjunaḥ kurutāṁ kṣaṇam.

19. gṛhṇātu vidhivat pāṇim adya eva kurunandanaḥ
puṇye ahani mahābāhuḥ arjunaḥ kurutām kṣaṇam

19. Let Arjuna, the delight of the Kurus and the mighty-armed one, take her hand according to sacred rites this very day. Let him perform the auspicious ceremony on this blessed day.

Words meanings summery:

• गृह्णातु (gṛhṇātu) - let him take, let him accept

• विधिवत् (vidhivat) - according to rule, lawfully, properly, ritually

• पाणिम् (pāṇim) - the hand in the context of marriage ceremonies (hand)

• अद्य (adya) - today, now

• एव (eva) - emphasizes 'today' (indeed, just, only, very)

• कुरुनन्दनः (kurunandanaḥ) - Arjuna, who is a descendant of Kuru (delight of the Kurus)

• पुण्ये (puṇye) - auspicious, meritorious, sacred

• अहनि (ahani) - on this auspicious day (day)

• महाबाहुः (mahābāhuḥ) - Arjuna, known for his strength (mighty-armed, strong-armed)

• अर्जुनः (arjunaḥ) - one of the Pāṇḍava brothers (Arjuna)

• कुरुताम् (kurutām) - let him perform the ceremony (let him do, let him make, let him perform)

• क्षणम् (kṣaṇam) - the auspicious moment or ceremony (for marriage) (moment, instant, opportunity, auspicious time)

Words meanings and morphology

गृह्णातु (gṛhṇātu) - let him take, let him accept

(verb)

3rd person , singular, active, imperative (loṭ) of grah

Root: grah (class 9)

विधिवत् (vidhivat) - according to rule, lawfully, properly, ritually

(indeclinable)

adverb formed with -vat suffix

पाणिम् (pāṇim) - the hand in the context of marriage ceremonies (hand)

(noun)

Accusative, masculine, singular of pāṇi

pāṇi - hand

अद्य (adya) - today, now

(indeclinable)

एव (eva) - emphasizes 'today' (indeed, just, only, very)

(indeclinable)

कुरुनन्दनः (kurunandanaḥ) - Arjuna, who is a descendant of Kuru (delight of the Kurus)

(noun)

Nominative, masculine, singular of kurunandana

kurunandana - delight of the Kurus, son of Kuru

Compound type : tatpuruṣa (kuru+nandana)

• kuru – name of an ancient tribe and kingdom, descendants of Kuru
  proper noun (masculine)
• nandana – delight, son, gladdening
  noun (masculine)
  Root: nand (class 1)

पुण्ये (puṇye) - auspicious, meritorious, sacred

(adjective)

Locative, neuter, singular of puṇya

puṇya - auspicious, meritorious, sacred, virtuous

अहनि (ahani) - on this auspicious day (day)

(noun)

Locative, neuter, singular of ahan

ahan - day

महाबाहुः (mahābāhuḥ) - Arjuna, known for his strength (mighty-armed, strong-armed)

(adjective)

Nominative, masculine, singular of mahābāhu

mahābāhu - mighty-armed, strong-armed

Compound type : bahuvrīhi (mahā+bāhu)

• mahā – great, large, mighty
  adjective
  feminine stem of mahat
• bāhu – arm
  noun (masculine)

अर्जुनः (arjunaḥ) - one of the Pāṇḍava brothers (Arjuna)

(proper noun)

Nominative, masculine, singular of arjuna

arjuna - Arjuna, name of a Pāṇḍava prince

कुरुताम् (kurutām) - let him perform the ceremony (let him do, let him make, let him perform)

(verb)

3rd person , singular, active, imperative (loṭ) of kṛ

Root: kṛ (class 8)

क्षणम् (kṣaṇam) - the auspicious moment or ceremony (for marriage) (moment, instant, opportunity, auspicious time)

(noun)

Accusative, masculine, singular of kṣaṇa

kṣaṇa - moment, instant, leisure, auspicious time