महाभारतः mahābhārataḥ - book-1, chapter-206, verse-13

अपकृष्टो महाबाहुर्नागराजस्य कन्यया ।
अन्तर्जले महाराज उलूप्या कामयानया ॥१३॥

13. apakṛṣṭo mahābāhurnāgarājasya kanyayā ,
antarjale mahārāja ulūpyā kāmayānayā.

13. apakṛṣṭaḥ mahābāhuḥ nāgarājasya kanyayā
antarjale mahārāja ulūpyā kāmayānayā

13. O great king, the mighty-armed Arjuna was pulled away into the water by Ulupi, the daughter of the serpent-king, who was desirous of him.

Words meanings summery:

• अपकृष्टः (apakṛṣṭaḥ) - drawn into the water (pulled away, dragged down, carried off)

• महाबाहुः (mahābāhuḥ) - the mighty-armed (Arjuna) (mighty-armed, strong-armed)

• नागराजस्य (nāgarājasya) - of the serpent-king (of the king of serpents)

• कन्यया (kanyayā) - by the daughter (by the daughter, by the maiden, by the girl)

• अन्तर्जले (antarjale) - into the water (in the water, within the water, under water)

• महाराज (mahārāja) - O great king (addressing Dhritarashtra) (O great king)

• उलूप्या (ulūpyā) - by Ulupi

• कामयानया (kāmayānayā) - by the one who was desirous of him (by the desiring one, by the one in love)

Words meanings and morphology

अपकृष्टः (apakṛṣṭaḥ) - drawn into the water (pulled away, dragged down, carried off)

(adjective)

Nominative, masculine, singular of apakṛṣṭa

apakṛṣṭa - pulled away, dragged, carried off

Past Passive Participle

Derived from root kṛṣ with upasarga apa, then suffix kta (past passive participle).

Prefix: apa

Root: kṛṣ (class 1)

महाबाहुः (mahābāhuḥ) - the mighty-armed (Arjuna) (mighty-armed, strong-armed)

(adjective)

Nominative, masculine, singular of mahābāhu

mahābāhu - one with great arms, mighty-armed

Compound type : bahuvrīhi (mahā+bāhu)

• mahā – great, large, mighty
  adjective (feminine)
• bāhu – arm
  noun (masculine)

Note: Refers to Arjuna.

नागराजस्य (nāgarājasya) - of the serpent-king (of the king of serpents)

(noun)

Genitive, masculine, singular of nāgarāja

nāgarāja - king of serpents, serpent-king

Compound type : tatpuruṣa (nāga+rāja)

• nāga – serpent, snake
  noun (masculine)
• rāja – king, ruler
  noun (masculine)

कन्यया (kanyayā) - by the daughter (by the daughter, by the maiden, by the girl)

(noun)

Instrumental, feminine, singular of kanyā

kanyā - daughter, maiden, girl

अन्तर्जले (antarjale) - into the water (in the water, within the water, under water)

(noun)

Locative, neuter, singular of antarjala

antarjala - inside water, underwater

Compound type : avyayībhāva (antar+jala)

• antar – within, inside, between
  indeclinable
• jala – water
  noun (neuter)

महाराज (mahārāja) - O great king (addressing Dhritarashtra) (O great king)

(noun)

Vocative, masculine, singular of mahārāja

mahārāja - great king

Compound type : karmadhāraya (mahā+rāja)

• mahā – great, large, mighty
  adjective (feminine)
• rāja – king, ruler
  noun (masculine)

उलूप्या (ulūpyā) - by Ulupi

(proper noun)

Instrumental, feminine, singular of ulūpī

ulūpī - Ulupi (name of a Nāga princess)

कामयानया (kāmayānayā) - by the one who was desirous of him (by the desiring one, by the one in love)

(adjective)

Instrumental, feminine, singular of kāmayāna

kāmayāna - desiring, lusting, being in love

Present Middle Participle

Derived from the desiderative stem of root kam (kāmaya-), with śānac suffix.

Root: kam (class 1)

Note: Qualifies Ulupi.