महाभारतः mahābhārataḥ - book-3, chapter-139, verse-2

तेन रैभ्यस्य वै पुत्रावर्वावसुपरावसू ।
वृतौ सहायौ सत्रार्थे बृहद्द्युम्नेन धीमता ॥२॥

2. tena raibhyasya vai putrāvarvāvasuparāvasū ,
vṛtau sahāyau satrārthe bṛhaddyumnena dhīmatā.

2. tena raibhyasya vai putrau arvāvasuparāvasū
vṛtau sahāyau satrārthe bṛhaddyumnena dhīmatā

2. Indeed, by that intelligent Brihaddyumna, Raibhya's two sons, Arvāvasu and Parāvasu, were appointed as assistants for the purpose of the great sacrifice (satra).

Words meanings summery:

• तेन (tena) - by Brihaddyumna (by him, by that)

• रैभ्यस्य (raibhyasya) - of Raibhya

• वै (vai) - indeed, surely

• पुत्रौ (putrau) - two sons

• अर्वावसुपरावसू (arvāvasuparāvasū) - Arvāvasu and Parāvasu

• वृतौ (vṛtau) - chosen, appointed

• सहायौ (sahāyau) - as assistants (two helpers, two companions)

• सत्रार्थे (satrārthe) - for the purpose of the sacrifice

• बृहद्द्युम्नेन (bṛhaddyumnena) - by Brihaddyumna

• धीमता (dhīmatā) - by the intelligent one

Words meanings and morphology

तेन (tena) - by Brihaddyumna (by him, by that)

(pronoun)

Instrumental, masculine, singular of tad

tad - that, he, it

Note: Refers to Bṛhaddyumna, acting as agent in passive construction.

रैभ्यस्य (raibhyasya) - of Raibhya

(proper noun)

Genitive, masculine, singular of raibhya

raibhya - Raibhya (name of a sage)

Note: Possessive, 'Raibhya's sons'.

वै (vai) - indeed, surely

(indeclinable)

Emphatic particle.

पुत्रौ (putrau) - two sons

(noun)

Nominative, masculine, dual of putra

putra - son, child

Note: Subject of the passive verb `vṛtau`.

अर्वावसुपरावसू (arvāvasuparāvasū) - Arvāvasu and Parāvasu

(proper noun)

Nominative, masculine, dual of arvāvasuparāvasu

arvāvasuparāvasu - Arvāvasu and Parāvasu (names of Raibhya's two sons)

Dvandva compound of two proper names.

Compound type : dvandva (arvāvasu+parāvasu)

• arvāvasu – Arvāvasu (name of a sage)
  proper noun (masculine)
• parāvasu – Parāvasu (name of a sage)
  proper noun (masculine)

Note: Appositive to `putrau`.

वृतौ (vṛtau) - chosen, appointed

(adjective)

Nominative, masculine, dual of vṛta

vṛta - chosen, selected, appointed, surrounded

Past Passive Participle

From √vṛ (to choose, select).

Root: √vṛ (class 9)

Note: Agrees with `putrau`.

सहायौ (sahāyau) - as assistants (two helpers, two companions)

(noun)

Nominative, masculine, dual of sahāya

sahāya - helper, companion, associate

From sa- (with) and √i (to go) + -a suffix, meaning one who goes along with.

Prefix: sa

Root: √i (class 2)

Note: Predicate nominative, indicating role.

सत्रार्थे (satrārthe) - for the purpose of the sacrifice

(noun)

Locative, masculine, singular of satrārtha

satrārtha - purpose of the sacrifice, for the sake of the sacrifice

Tatpuruṣa compound of 'satra' and 'artha'.

Compound type : tatpuruṣa (satra+artha)

• satra – great sacrifice, sacrificial session
  noun (neuter)
• artha – purpose, meaning, wealth, object
  noun (masculine)

Note: Indicates purpose.

बृहद्द्युम्नेन (bṛhaddyumnena) - by Brihaddyumna

(proper noun)

Instrumental, masculine, singular of bṛhaddyumna

bṛhaddyumna - Brihaddyumna (name of a king, lit. 'of great splendor')

Compound type : bahuvrīhi (bṛhat+dyumna)

• bṛhat – great, large, vast
  adjective (masculine)
• dyumna – splendor, glory, wealth
  noun (neuter)

Note: Agent of the passive verb `vṛtau`.

धीमता (dhīmatā) - by the intelligent one

(adjective)

Instrumental, masculine, singular of dhīmat

dhīmat - intelligent, wise, thoughtful

From `dhī` (intellect) with possessive suffix -mat

Note: Agrees with `bṛhaddyumnena`.