महाभारतः mahābhārataḥ - book-3, chapter-51, verse-29

भो भो नैषध राजेन्द्र नल सत्यव्रतो भवान् ।
अस्माकं कुरु साहाय्यं दूतो भव नरोत्तम ॥२९॥

29. bho bho naiṣadha rājendra nala satyavrato bhavān ,
asmākaṁ kuru sāhāyyaṁ dūto bhava narottama.

29. bho bho naiṣadha rājendra nala satyavrataḥ bhavān
asmākam kuru sāhāyyam dūtaḥ bhava narottama

29. "Oh, oh, O Naishadha, O King of kings, O Nala! You are true to your vows. Render us assistance, become our messenger, O best among men!"

Words meanings summery:

• भो (bho) - Oh! (O!, Hey! (vocative particle))

• भो (bho) - Oh! (O!, Hey! (vocative particle))

• नैषध (naiṣadha) - O Naishadha (O Naishadha, O King Nala, relating to Niṣadha)

• राजेन्द्र (rājendra) - O King of kings (O king of kings, O supreme ruler)

• नल (nala) - O Nala (O Nala (proper noun))

• सत्यव्रतः (satyavrataḥ) - true to your vows (one whose vows are true, truthful in observances)

• भवान् (bhavān) - you (you (respectful))

• अस्माकम् (asmākam) - to us (our, to us)

• कुरु (kuru) - render (do, make, perform)

• साहाय्यम् (sāhāyyam) - assistance (help, assistance, aid)

• दूतः (dūtaḥ) - messenger (messenger, envoy)

• भव (bhava) - become (be, become, exist)

• नरोत्तम (narottama) - O best among men

Words meanings and morphology

भो (bho) - Oh! (O!, Hey! (vocative particle))

(indeclinable)

भो (bho) - Oh! (O!, Hey! (vocative particle))

(indeclinable)

नैषध (naiṣadha) - O Naishadha (O Naishadha, O King Nala, relating to Niṣadha)

(proper noun)

Vocative, masculine, singular of naiṣadha

naiṣadha - a descendant of Niṣadha, King Nala, relating to the Niṣadha kingdom

राजेन्द्र (rājendra) - O King of kings (O king of kings, O supreme ruler)

(noun)

Vocative, masculine, singular of rājendra

rājendra - king of kings, supreme ruler

Compound type : tatpuruṣa (rājan+indra)

• rājan – king, ruler
  noun (masculine)
• indra – lord, chief, Indra (the deity)
  noun (masculine)

नल (nala) - O Nala (O Nala (proper noun))

(proper noun)

Vocative, masculine, singular of nala

nala - Nala (name of a king)

सत्यव्रतः (satyavrataḥ) - true to your vows (one whose vows are true, truthful in observances)

(adjective)

Nominative, masculine, singular of satyavrata

satyavrata - one whose vows are true, truthful in observances

Compound type : bahuvrīhi (satya+vrata)

• satya – truth, real
  noun (neuter)
• vrata – vow, religious observance, sacred duty
  noun (neuter)

भवान् (bhavān) - you (you (respectful))

(pronoun)

Nominative, masculine, singular of bhavat

bhavat - your honor, you (respectful)

present active participle

from √bhū

Root: bhū (class 1)

अस्माकम् (asmākam) - to us (our, to us)

(pronoun)

Genitive, plural of asmad

asmad - I, we

Note: Used as dative here (for us).

कुरु (kuru) - render (do, make, perform)

(verb)

2nd person , singular, active, imperative (loṭ) of √kṛ

imperative 2nd singular active

Root: kṛ (class 8)

साहाय्यम् (sāhāyyam) - assistance (help, assistance, aid)

(noun)

Accusative, neuter, singular of sāhāyya

sāhāyya - help, assistance, aid

दूतः (dūtaḥ) - messenger (messenger, envoy)

(noun)

Nominative, masculine, singular of dūta

dūta - messenger, envoy

Past Passive Participle

from √du

Root: du

भव (bhava) - become (be, become, exist)

(verb)

2nd person , singular, active, imperative (loṭ) of √bhū

imperative 2nd singular active

Root: bhū (class 1)

नरोत्तम (narottama) - O best among men

(noun)

Vocative, masculine, singular of narottama

narottama - best among men, supreme man

Compound type : tatpuruṣa (nara+uttama)

• nara – man, human being
  noun (masculine)
• uttama – best, highest, supreme
  adjective (masculine)