महाभारतः mahābhārataḥ - book-1, chapter-90, verse-54

विचित्रवीर्यः खलु कौसल्यात्मजेऽम्बिकाम्बालिके
काशिराजदुहितरावुपयेमे ॥५४॥

54. vicitravīryaḥ khalu kausalyātmaje'mbikāmbālike
kāśirājaduhitarāvupayeme.

54. vicitravīryaḥ khalu kausalyā-ātmaje
ambikā-ambālike kāśirāja-duhitrau upayeme

54. Vicitravīrya indeed married Ambikā and Ambālikā, the two daughters of King Kāśi, born of Kausalyā.

Words meanings summery:

• विचित्रवीर्यः (vicitravīryaḥ) - Vicitravīrya (name of a king)

• खलु (khalu) - indeed, certainly

• कौसल्या-आत्मजे (kausalyā-ātmaje) - Kausalyā's two daughters

• अम्बिका-अम्बालिके (ambikā-ambālike) - Ambikā and Ambālikā

• काशिराज-दुहित्रौ (kāśirāja-duhitrau) - two daughters of the King of Kāśi

• उपयेमे (upayeme) - he married, he took as wife

Words meanings and morphology

विचित्रवीर्यः (vicitravīryaḥ) - Vicitravīrya (name of a king)

(proper noun)

Nominative, masculine, singular of vicitravīrya

vicitravīrya - Vicitravīrya (name of a king)

खलु (khalu) - indeed, certainly

(indeclinable)

कौसल्या-आत्मजे (kausalyā-ātmaje) - Kausalyā's two daughters

(noun)

Nominative, feminine, dual of kausalyā-ātmajā

kausalyā-ātmajā - daughter of Kausalyā

Compound type : tatpuruṣa (kausalyā+ātmajā)

• kausalyā – Kausalyā (proper noun, name of a woman)
  proper noun (feminine)
• ātmajā – daughter
  noun (feminine)
  Root: jan (class 4)

Note: Refers to Ambikā and Ambālikā

अम्बिका-अम्बालिके (ambikā-ambālike) - Ambikā and Ambālikā

(proper noun)

Nominative, feminine, dual of ambikā-ambālikā

ambikā-ambālikā - Ambikā and Ambālikā (proper names of two sisters)

Compound type : dvandva (ambikā+ambālikā)

• ambikā – Ambikā (a proper name)
  proper noun (feminine)
• ambālikā – Ambālikā (a proper name)
  proper noun (feminine)

Note: Treated as a single word (compound) in the Devanagari.

काशिराज-दुहित्रौ (kāśirāja-duhitrau) - two daughters of the King of Kāśi

(noun)

Nominative, feminine, dual of kāśirāja-duhitṛ

kāśirāja-duhitṛ - daughter of the King of Kāśi

Compound type : tatpuruṣa (kāśirāja+duhitṛ)

• kāśirāja – King of Kāśi
  noun (masculine)
• duhitṛ – daughter
  noun (feminine)

उपयेमे (upayeme) - he married, he took as wife

(verb)

3rd person , singular, middle, perfect (lit) of √yam

From upa-√yam, meaning 'to marry, to take to oneself'.

Prefix: upa

Root: yam (class 1)

Note: The active voice equivalent would be "upayayamau". This is ātmanepada.