महाभारतः mahābhārataḥ - book-1, chapter-132, verse-18

तत्तथेति प्रतिज्ञाय कौरवाय पुरोचनः ।
प्रायाद्रासभयुक्तेन नगरं वारणावतम् ॥१८॥

18. tattatheti pratijñāya kauravāya purocanaḥ ,
prāyādrāsabhayuktena nagaraṁ vāraṇāvatam.

18. tat tathā iti pratijñāya kauravāya purocanaḥ
prāyāt rāsabhayuktena nagaram vāraṇāvatam

18. Purocana, having promised 'So be it' to the Kuru prince (Duryodhana), then set out for the city of Vāraṇāvata in a chariot drawn by donkeys.

Words meanings summery:

• तत् (tat) - referring to the plan, "that (will be done)" (that, it, so)

• तथा (tathā) - "so be it" (referring to the agreed plan) (thus, so, in that manner)

• इति (iti) - marks the preceding phrase "that will be so" as a quote (thus, so, indicating direct speech or thought)

• प्रतिज्ञाय (pratijñāya) - having affirmed the plan (having promised, having agreed, having undertaken)

• कौरवाय (kauravāya) - to Duryodhana, as he is a Kuru prince (to the Kuru, for the Kuru)

• पुरोचनः (purocanaḥ) - Duryodhana's minister, sent to orchestrate the lac house burning (Purocana (proper name))

• प्रायात् (prāyāt) - Purocana set out (he went, he set out, he departed)

• रासभयुक्तेन (rāsabhayuktena) - by a chariot/vehicle yoked with donkeys (by that which is yoked with donkeys, by donkey-yoked)

• नगरम् (nagaram) - the city of Vāraṇāvata (city, town)

• वारणावतम् (vāraṇāvatam) - the specific city where the lac house was built (Vāraṇāvata (name of a city))

Words meanings and morphology

तत् (tat) - referring to the plan, "that (will be done)" (that, it, so)

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

तथा (tathā) - "so be it" (referring to the agreed plan) (thus, so, in that manner)

(indeclinable)

इति (iti) - marks the preceding phrase "that will be so" as a quote (thus, so, indicating direct speech or thought)

(indeclinable)

प्रतिज्ञाय (pratijñāya) - having affirmed the plan (having promised, having agreed, having undertaken)

(indeclinable)

Absolutive (Gerund)

From root `jñā` (to know) with `prati`

Prefix: prati

Root: jñā (class 9)

Note: Derived from a verb but functions as an indeclinable gerund.

कौरवाय (kauravāya) - to Duryodhana, as he is a Kuru prince (to the Kuru, for the Kuru)

(proper noun)

Dative, masculine, singular of kaurava

kaurava - a descendant of Kuru, a Kuru prince, pertaining to the Kurus

Note: Refers to Duryodhana.

पुरोचनः (purocanaḥ) - Duryodhana's minister, sent to orchestrate the lac house burning (Purocana (proper name))

(proper noun)

Nominative, masculine, singular of purocana

purocana - Name of a minister of Duryodhana

प्रायात् (prāyāt) - Purocana set out (he went, he set out, he departed)

(verb)

3rd person , singular, active, past imperfect (laṅ) of pra-i

From root `i` (to go) with `pra`

Prefix: pra

Root: i (class 2)

Note: Root `i` (अद्).

रासभयुक्तेन (rāsabhayuktena) - by a chariot/vehicle yoked with donkeys (by that which is yoked with donkeys, by donkey-yoked)

(adjective)

Instrumental, masculine, singular of rāsabhayukta

rāsabhayukta - yoked with donkeys, drawn by asses

Compound type : tatpuruṣa (rāsabha+yukta)

• rāsabha – donkey, ass
  noun (masculine)
• yukta – yoked, joined, connected, endowed with
  adjective
  Past Passive Participle
  From root `yuj` (to yoke, to join)
  Root: yuj (class 7)

Note: Refers to an implied vehicle.

नगरम् (nagaram) - the city of Vāraṇāvata (city, town)

(noun)

Accusative, neuter, singular of nagara

nagara - city, town

Note: Object of motion.

वारणावतम् (vāraṇāvatam) - the specific city where the lac house was built (Vāraṇāvata (name of a city))

(proper noun)

Accusative, neuter, singular of vāraṇāvata

vāraṇāvata - Name of a city

Note: Object of motion.