महाभारतः mahābhārataḥ - book-5, chapter-109, verse-20

अत्र राज्ञा मरुत्तेन यज्ञेनेष्टं द्विजोत्तम ।
उशीरबीजे विप्रर्षे यत्र जाम्बूनदं सरः ॥२०॥

20. atra rājñā maruttena yajñeneṣṭaṁ dvijottama ,
uśīrabīje viprarṣe yatra jāmbūnadaṁ saraḥ.

20. atra rājñā maruttena yajñena iṣṭam dvijottama
uśīrabīje viprarṣe yatra jāmbūnadam saraḥ

20. dvijottama viprarṣe atra uśīrabīje yatra
jāmbūnadam saraḥ rājñā maruttena yajñena iṣṭam

20. O best of the Brahmins (dvijottama), O sage among Brahmins (viprarṣi), it was here in Uśīrabīja, at the location of a golden lake, that King Marutta performed a Vedic ritual (yajña).

Words meanings summery:

• अत्र (atra) - here, in this place

• राज्ञा (rājñā) - by the king

• मरुत्तेन (maruttena) - by Marutta

• यज्ञेन (yajñena) - by a Vedic ritual (yajña) (by a Vedic ritual, by a sacrifice)

• इष्टम् (iṣṭam) - performed (a ritual) (worshipped, performed)

• द्विजोत्तम (dvijottama) - O best among Brahmins (O best among the twice-born)

• उशीरबीजे (uśīrabīje) - in Uśīrabīja (a place name)

• विप्रर्षे (viprarṣe) - O sage among Brahmins

• यत्र (yatra) - where, in which place

• जाम्बूनदम् (jāmbūnadam) - golden, made of pure gold

• सरः (saraḥ) - lake, pond

Words meanings and morphology

अत्र (atra) - here, in this place

(indeclinable)

राज्ञा (rājñā) - by the king

(noun)

Instrumental, masculine, singular of rājan

rājan - king, ruler

मरुत्तेन (maruttena) - by Marutta

(proper noun)

Instrumental, masculine, singular of marutta

marutta - name of a king

यज्ञेन (yajñena) - by a Vedic ritual (yajña) (by a Vedic ritual, by a sacrifice)

(noun)

Instrumental, masculine, singular of yajña

yajña - Vedic ritual, sacrifice, worship

इष्टम् (iṣṭam) - performed (a ritual) (worshipped, performed)

(adjective)

Nominative, neuter, singular of iṣṭa

iṣṭa - worshipped, sacrificed, desired, performed

Past Passive Participle

derived from root yaj (to worship, sacrifice) with kta suffix (past passive participle)

Root: yaj (class 1)

Note: Agreeing with implied object (the yajña)

द्विजोत्तम (dvijottama) - O best among Brahmins (O best among the twice-born)

(noun)

Vocative, masculine, singular of dvijottama

dvijottama - best among the twice-born

Compound type : tatpurusha (dvija+uttama)

• dvija – twice-born, Brahmin, bird, tooth
  noun (masculine)
  born a second time
• uttama – best, highest, supreme
  adjective

उशीरबीजे (uśīrabīje) - in Uśīrabīja (a place name)

(proper noun)

Locative, neuter, singular of uśīrabīja

uśīrabīja - name of a region or city

विप्रर्षे (viprarṣe) - O sage among Brahmins

(noun)

Vocative, masculine, singular of viprarṣi

viprarṣi - Brahmin sage

Compound type : tatpurusha (vipra+ṛṣi)

• vipra – Brahmin, inspired, wise
  noun (masculine)
• ṛṣi – sage, seer
  noun (masculine)

यत्र (yatra) - where, in which place

(indeclinable)

जाम्बूनदम् (jāmbūnadam) - golden, made of pure gold

(adjective)

Nominative, neuter, singular of jāmbūnada

jāmbūnada - golden, made of pure gold; a kind of gold

Note: Agreeing with saraḥ

सरः (saraḥ) - lake, pond

(noun)

Nominative, neuter, singular of saras

saras - lake, pond, pool