महाभारतः mahābhārataḥ - book-13, chapter-109, verse-11

अङ्गिरा उवाच ।
ब्रह्मक्षत्रे त्रिरात्रं तु विहितं कुरुनन्दन ।
द्विस्त्रिरात्रमथैवात्र निर्दिष्टं पुरुषर्षभ ॥११॥

11. aṅgirā uvāca ,
brahmakṣatre trirātraṁ tu vihitaṁ kurunandana ,
dvistrirātramathaivātra nirdiṣṭaṁ puruṣarṣabha.

11. aṅgirā uvāca brahmakṣatre trirātram tu vihitam kurunandana
dviḥ trirātram atha eva atra nirdiṣṭam puruṣarṣabha

11. aṅgirā uvāca kurunandana brahmakṣatre trirātram tu vihitam
puruṣarṣabha atha eva atra dviḥ trirātram nirdiṣṭam

11. Aṅgirā said: 'O joy of the Kurus, for Brahmins and Kṣatriyas, a three-night (fast) is indeed prescribed. O best among men, a six-night (fast) is also specified here.'

Words meanings summery:

• अङ्गिरा (aṅgirā) - Aṅgirā (a sage)

• उवाच (uvāca) - said, spoke

• ब्रह्मक्षत्रे (brahmakṣatre) - for the Brahmin and Kṣatriya (classes)

• त्रिरात्रम् (trirātram) - a three-night (fast) (three nights, a period of three nights)

• तु (tu) - indeed (but, indeed, however, for emphasis)

• विहितम् (vihitam) - prescribed, enjoined, ordained

• कुरुनन्दन (kurunandana) - O descendant of the Kuru dynasty (a vocative address, often for Yudhishthira or Arjuna) (O joy of the Kurus)

• द्विः (dviḥ) - twice (three nights, meaning six nights) (twice)

• त्रिरात्रम् (trirātram) - a three-night (fast) (three nights, a period of three nights)

• अथ (atha) - also (then, next, moreover, furthermore)

• एव (eva) - also (only, just, indeed, also)

• अत्र (atra) - here, in this matter

• निर्दिष्टम् (nirdiṣṭam) - specified, indicated, pointed out, enjoined

• पुरुषर्षभ (puruṣarṣabha) - O best among men

Words meanings and morphology

अङ्गिरा (aṅgirā) - Aṅgirā (a sage)

(proper noun)

Nominative, masculine, singular of aṅgiras

aṅgiras - name of a class of celestial beings, name of a celebrated Vedic sage (son of Agni)

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, perfect (lit) of uvāca

Perfect

3rd person singular, Parasmaipada, root √vac 'to speak'

Root: √vac (class 2)

ब्रह्मक्षत्रे (brahmakṣatre) - for the Brahmin and Kṣatriya (classes)

(noun)

Locative, neuter, dual of brahmakṣatra

brahmakṣatra - the Brahmin and Kṣatriya classes combined; pertaining to Brahmins and Kṣatriyas

Compound type : dvandva (brahman+kṣatra)

• brahman – Brahmin (priestly class), sacred knowledge, the Absolute (brahman)
  noun (masculine)
• kṣatra – Kṣatriya (warrior class), rule, power
  noun (neuter)

त्रिरात्रम् (trirātram) - a three-night (fast) (three nights, a period of three nights)

(noun)

Nominative, neuter, singular of trirātra

trirātra - three nights, period of three nights

Compound type : dvigu (tri+rātra)

• tri – three
  numeral
• rātra – night
  noun (neuter)

तु (tu) - indeed (but, indeed, however, for emphasis)

(indeclinable)

विहितम् (vihitam) - prescribed, enjoined, ordained

(adjective)

Nominative, neuter, singular of vihita

vihita - prescribed, enjoined, performed, arranged, made

Past Passive Participle

Derived from √dhā 'to place, put' with prefix vi-

Prefix: vi

Root: √dhā (class 3)

Note: Agrees with trirātram (neuter nominative singular).

कुरुनन्दन (kurunandana) - O descendant of the Kuru dynasty (a vocative address, often for Yudhishthira or Arjuna) (O joy of the Kurus)

(noun)

Vocative, masculine, singular of kurunandana

kurunandana - joy of the Kurus, delight of the Kurus

Compound type : tatpurusha (kuru+nandana)

• kuru – name of an ancient king or dynasty
  proper noun (masculine)
• nandana – delighting, rejoicing, son, child, pleasure
  noun (masculine)
  from √nand 'to rejoice'
  Root: √nand (class 1)

द्विः (dviḥ) - twice (three nights, meaning six nights) (twice)

(indeclinable)

त्रिरात्रम् (trirātram) - a three-night (fast) (three nights, a period of three nights)

(noun)

Nominative, neuter, singular of trirātra

trirātra - three nights, period of three nights

Compound type : dvigu (tri+rātra)

• tri – three
  numeral
• rātra – night
  noun (neuter)

Note: Here in combination with dviḥ, forming 'six nights'.

अथ (atha) - also (then, next, moreover, furthermore)

(indeclinable)

एव (eva) - also (only, just, indeed, also)

(indeclinable)

अत्र (atra) - here, in this matter

(indeclinable)

निर्दिष्टम् (nirdiṣṭam) - specified, indicated, pointed out, enjoined

(adjective)

Nominative, neuter, singular of nirdiṣṭa

nirdiṣṭa - specified, indicated, declared, appointed, taught

Past Passive Participle

Derived from √diś 'to point, show' with prefix nir-

Prefix: nir

Root: √diś (class 6)

Note: Agrees with trirātram (neuter nominative singular).

पुरुषर्षभ (puruṣarṣabha) - O best among men

(noun)

Vocative, masculine, singular of puruṣarṣabha

puruṣarṣabha - bull among men, best among men

Compound type : tatpurusha (puruṣa+ṛṣabha)

• puruṣa – man, person, male, human being, the cosmic person (puruṣa)
  noun (masculine)
• ṛṣabha – bull, best, excellent
  noun (masculine)