महाभारतः mahābhārataḥ - book-1, chapter-206, verse-16

अग्निकार्यं स कृत्वा तु नागराजसुतां तदा ।
प्रहसन्निव कौन्तेय इदं वचनमब्रवीत् ॥१६॥

16. agnikāryaṁ sa kṛtvā tu nāgarājasutāṁ tadā ,
prahasanniva kaunteya idaṁ vacanamabravīt.

16. agnikāryaṃ sa kṛtvā tu nāgarājasutām tadā
prahasan iva kaunteyaḥ idaṃ vacanam abravīt

16. Having completed the fire ritual, he (Arjuna) then, as if smiling, spoke these words to the daughter of the serpent-king.

Words meanings summery:

• अग्निकार्यं (agnikāryaṁ) - fire ritual (fire ritual, fire ceremony, act of fire worship)

• स (sa) - he (Arjuna) (he, that)

• कृत्वा (kṛtvā) - having performed (having done, having performed)

• तु (tu) - then, indeed (but, indeed, moreover, on the other hand)

• नागराजसुताम् (nāgarājasutām) - the daughter of the serpent-king (Ulupi) (the daughter of the serpent-king)

• तदा (tadā) - then (then, at that time)

• प्रहसन् (prahasan) - smiling (smiling, laughing)

• इव (iva) - as if (like, as if, as)

• कौन्तेयः (kaunteyaḥ) - Kaunteya (Arjuna) (son of Kunti)

• इदं (idaṁ) - these (this, these)

• वचनम् (vacanam) - words (word, speech, utterance)

• अब्रवीत् (abravīt) - spoke (he spoke, he said)

Words meanings and morphology

अग्निकार्यं (agnikāryaṁ) - fire ritual (fire ritual, fire ceremony, act of fire worship)

(noun)

Accusative, neuter, singular of agnikārya

agnikārya - fire ritual, performance connected with fire

Compound type : tatpuruṣa (agni+kārya)

• agni – fire, fire god (Agni)
  noun (masculine)
• kārya – work, action, duty, to be done
  noun (neuter)
  Gerundive
  Derived from root kṛ with ṇyat suffix (gerundive).
  Root: kṛ (class 8)

Note: Object of kṛtvā.

स (sa) - he (Arjuna) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Refers to Arjuna.

कृत्वा (kṛtvā) - having performed (having done, having performed)

(indeclinable)

Absolutive (Gerund)

From root kṛ with ktvā suffix.

Root: kṛ (class 8)

तु (tu) - then, indeed (but, indeed, moreover, on the other hand)

(indeclinable)

Note: Connective particle.

नागराजसुताम् (nāgarājasutām) - the daughter of the serpent-king (Ulupi) (the daughter of the serpent-king)

(noun)

Accusative, feminine, singular of nāgarājasutā

nāgarājasutā - daughter of the serpent-king

Compound type : tatpuruṣa (nāgarāja+sutā)

• nāgarāja – king of serpents, serpent-king
  noun (masculine)
• sutā – daughter
  noun (feminine)

Note: Object of abravīt (spoken to).

तदा (tadā) - then (then, at that time)

(indeclinable)

प्रहसन् (prahasan) - smiling (smiling, laughing)

(adjective)

Nominative, masculine, singular of prahasat

prahasat - smiling, laughing

Present Active Participle

From root has with upasarga pra, with śatṛ suffix.

Prefix: pra

Root: has (class 1)

Note: Agrees with Arjuna.

इव (iva) - as if (like, as if, as)

(indeclinable)

Note: Particle of comparison.

कौन्तेयः (kaunteyaḥ) - Kaunteya (Arjuna) (son of Kunti)

(noun)

Nominative, masculine, singular of kaunteya

kaunteya - son of Kunti

Patronymic from Kuntī.

Note: Subject of abravīt.

इदं (idaṁ) - these (this, these)

(pronoun)

Accusative, neuter, singular of idam

idam - this, these

Note: Agrees with vacanam.

वचनम् (vacanam) - words (word, speech, utterance)

(noun)

Accusative, neuter, singular of vacana

vacana - word, speech, utterance, saying

Derived from root vac (to speak).

Root: vac (class 2)

Note: Object of abravīt.

अब्रवीत् (abravīt) - spoke (he spoke, he said)

(verb)

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

Imperfect Active

From root brū, 3rd person singular, imperfect active. Augmented with 'a'.

Root: brū (class 2)