महाभारतः mahābhārataḥ - book-14, chapter-63, verse-16

श्रुत्वा तु तेषां द्विजसत्तमानां कृतोपवासा रजनीं नरेन्द्राः ।
ऊषुः प्रतीताः कुशसंस्तरेषु यथाध्वरेषु ज्वलिता हव्यवाहाः ॥१६॥

16. śrutvā tu teṣāṁ dvijasattamānāṁ; kṛtopavāsā rajanīṁ narendrāḥ ,
ūṣuḥ pratītāḥ kuśasaṁstareṣu; yathādhvareṣu jvalitā havyavāhāḥ.

16. śrutvā tu teṣām dvijasattamānām
kṛtopavāsāḥ rajanīm narendrāḥ
ūṣuḥ pratītāḥ kuśasaṃstareṣu
yathā adhvareṣu jvalitāḥ havyavāhāḥ

16. Having heard those words from the best among the twice-born (brahmins), the kings, having observed a fast for the night, remained contentedly on beds of kuśa grass, just like the sacred fires kindled during (Vedic rituals).

Words meanings summery:

• श्रुत्वा (śrutvā) - having heard

• तु (tu) - and, moreover (but, indeed, and, moreover)

• तेषाम् (teṣām) - of them, their

• द्विजसत्तमानाम् (dvijasattamānām) - of the best among the brahmins (who spoke) (of the best among the twice-born; of the best among brahmins)

• कृतोपवासाः (kṛtopavāsāḥ) - having observed a fast; those who have fasted

• रजनीम् (rajanīm) - night

• नरेन्द्राः (narendrāḥ) - kings, rulers of men

• ऊषुः (ūṣuḥ) - they dwelt, they resided

• प्रतीताः (pratītāḥ) - contentedly (satisfied, confident, convinced)

• कुशसंस्तरेषु (kuśasaṁstareṣu) - on beds of kuśa grass

• यथा (yathā) - as, just as, like

• अध्वरेषु (adhvareṣu) - during (Vedic rituals) (in sacrifices, in Vedic rituals)

• ज्वलिताः (jvalitāḥ) - kindled, burning, ablaze

• हव्यवाहाः (havyavāhāḥ) - sacred fires (fire (bearer of oblations))

Words meanings and morphology

श्रुत्वा (śrutvā) - having heard

(indeclinable)

absolutive

Derived from root śru with suffix -tvā

Root: śru (class 5)

तु (tu) - and, moreover (but, indeed, and, moreover)

(indeclinable)

तेषाम् (teṣām) - of them, their

(pronoun)

Genitive, masculine, plural of tad

tad - that, those

द्विजसत्तमानाम् (dvijasattamānām) - of the best among the brahmins (who spoke) (of the best among the twice-born; of the best among brahmins)

(noun)

Genitive, masculine, plural of dvijasattama

dvijasattama - best among the twice-born; best among brahmins

Compound type : tatpuruṣa (dvija+sattama)

• dvija – twice-born; brahmin; bird; tooth
  noun (masculine)
• sattama – best, most excellent
  adjective (masculine)

कृतोपवासाः (kṛtopavāsāḥ) - having observed a fast; those who have fasted

(adjective)

Nominative, masculine, plural of kṛtopavāsa

kṛtopavāsa - one who has undertaken a fast

Compound type : bahuvrīhi (kṛta+upavāsa)

• kṛta – done, made
  adjective (neuter)
  past passive participle
  From root kṛ
  Root: kṛ (class 8)
• upavāsa – fast, fasting
  noun (masculine)
  Prefix: upa

रजनीम् (rajanīm) - night

(noun)

Accusative, feminine, singular of rajanī

rajanī - night

नरेन्द्राः (narendrāḥ) - kings, rulers of men

(noun)

Nominative, masculine, plural of narendra

narendra - king, lord of men

Compound type : tatpuruṣa (nara+indra)

• nara – man, human being
  noun (masculine)
• indra – chief, lord
  noun (masculine)

ऊषुः (ūṣuḥ) - they dwelt, they resided

(verb)

3rd person , plural, active, perfect (lit) of vas

perfect

Root vas (class 1, 4)

Root: vas (class 1)

प्रतीताः (pratītāḥ) - contentedly (satisfied, confident, convinced)

(adjective)

Nominative, masculine, plural of pratīta

pratīta - satisfied, confident, convinced, well-known

past passive participle

From root i with upasarga prati

Prefix: prati

Root: i (class 2)

कुशसंस्तरेषु (kuśasaṁstareṣu) - on beds of kuśa grass

(noun)

Locative, masculine, plural of kuśasaṃstara

kuśasaṁstara - bed or mat of kuśa grass

Compound type : tatpuruṣa (kuśa+saṃstara)

• kuśa – kuśa grass (Poa cynosuroides), sacred grass
  noun (masculine)
• saṃstara – bed, mat, couch
  noun (masculine)
  Prefix: sam

यथा (yathā) - as, just as, like

(indeclinable)

अध्वरेषु (adhvareṣu) - during (Vedic rituals) (in sacrifices, in Vedic rituals)

(noun)

Locative, masculine, plural of adhvara

adhvara - Vedic ritual, sacrifice (especially one in which no injury is done)

ज्वलिताः (jvalitāḥ) - kindled, burning, ablaze

(adjective)

Nominative, masculine, plural of jvalita

jvalita - kindled, burning, flaming

past passive participle

From root jval

Root: jval (class 1)

हव्यवाहाः (havyavāhāḥ) - sacred fires (fire (bearer of oblations))

(noun)

Nominative, masculine, plural of havyavāha

havyavāha - fire (as carrier of oblations); carrier of oblations

Compound type : tatpuruṣa (havya+vāha)

• havya – oblation, sacrificial offering
  noun (neuter)
  gerundive
  From root hu
  Root: hu (class 3)
• vāha – carrier, bearer, conveyor
  noun (masculine)
  From root vah
  Root: vah (class 1)