महाभारतः mahābhārataḥ - book-7, chapter-121, verse-36

उपासीनस्य तस्याथ कृष्णकेशं सकुण्डलम् ।
सिन्धुराजस्य मूर्धानमुत्सङ्गे समपातयत् ॥३६॥

36. upāsīnasya tasyātha kṛṣṇakeśaṁ sakuṇḍalam ,
sindhurājasya mūrdhānamutsaṅge samapātayat.

36. upāsīnasya tasya atha kṛṣṇakeśam sakuṇḍalam
sindhurājasya mūrdhānam utsaṅge samapātayat

36. atha tasya upāsīnasya utsaṅge kṛṣṇakeśam
sakuṇḍalam sindhurājasya mūrdhānam samapātayat

36. Then, as he (Vṛddhakṣatra) was sitting (in meditation), he (Bhīma) made the head of the King of Sindhu (Sindhurāja), adorned with dark hair and earrings, fall onto his (Vṛddhakṣatra's) lap.

Words meanings summery:

• उपासीनस्य (upāsīnasya) - of him who was sitting near (meditating) (of one who is sitting near, of one who is worshipping, of one who is serving)

• तस्य (tasya) - of him (Vṛddhakṣatra) (of him, of that)

• अथ (atha) - then, thereafter (then, now, moreover)

• कृष्णकेशम् (kṛṣṇakeśam) - (the head) with dark hair (having dark hair)

• सकुण्डलम् (sakuṇḍalam) - (the head) with earrings (with earrings, adorned with earrings)

• सिन्धुराजस्य (sindhurājasya) - of the King of Sindhu (Jayadratha) (of the king of Sindhu)

• मूर्धानम् (mūrdhānam) - (Jayadratha's) head (head)

• उत्सङ्गे (utsaṅge) - onto his (Vṛddhakṣatra's) lap (on the lap, in the bosom)

• समपातयत् (samapātayat) - (Bhīma) made fall (caused to fall, made fall)

Words meanings and morphology

उपासीनस्य (upāsīnasya) - of him who was sitting near (meditating) (of one who is sitting near, of one who is worshipping, of one who is serving)

(adjective)

Genitive, masculine, singular of upāsīna

upāsīna - sitting near, engaged in, worshipping

Present Active Participle

Derived from verb root `ās` (to sit) with prefix `upa` and `śānac` suffix.

Prefix: upa

Root: ās (class 2)

तस्य (tasya) - of him (Vṛddhakṣatra) (of him, of that)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

Note: Refers to Vṛddhakṣatra.

अथ (atha) - then, thereafter (then, now, moreover)

(indeclinable)

कृष्णकेशम् (kṛṣṇakeśam) - (the head) with dark hair (having dark hair)

(adjective)

Accusative, masculine, singular of kṛṣṇakeśa

kṛṣṇakeśa - having black/dark hair

Compound type : bahuvrīhi (kṛṣṇa+keśa)

• kṛṣṇa – black, dark
  adjective (masculine)
• keśa – hair
  noun (masculine)

Note: Adjective modifying 'mūrdhānam'.

सकुण्डलम् (sakuṇḍalam) - (the head) with earrings (with earrings, adorned with earrings)

(adjective)

Accusative, neuter, singular of sakuṇḍala

sakuṇḍala - having earrings, adorned with earrings

Compound type : bahuvrīhi (sa+kuṇḍala)

• sa – with, together with
  indeclinable
  prefix 'sa' meaning 'with'
• kuṇḍala – earring, ring
  noun (neuter)

Note: Adjective modifying 'mūrdhānam'.

सिन्धुराजस्य (sindhurājasya) - of the King of Sindhu (Jayadratha) (of the king of Sindhu)

(proper noun)

Genitive, masculine, singular of sindhurāja

sindhurāja - king of Sindhu, sovereign of Sindhu

Compound type : tatpuruṣa (sindhu+rāja)

• sindhu – the Indus river, the region of Sindhu
  proper noun (masculine)
• rāja – king, ruler
  noun (masculine)

मूर्धानम् (mūrdhānam) - (Jayadratha's) head (head)

(noun)

Accusative, masculine, singular of mūrdhan

mūrdhan - head, skull, summit

Note: Object of 'samapātayat'.

उत्सङ्गे (utsaṅge) - onto his (Vṛddhakṣatra's) lap (on the lap, in the bosom)

(noun)

Locative, masculine, singular of utsaṅga

utsaṅga - lap, bosom, embrace, fold

समपातयत् (samapātayat) - (Bhīma) made fall (caused to fall, made fall)

(verb)

3rd person , singular, active, past imperfect (laṅ) of pat

Causative

Imperfect (laṅ), 3rd person singular, causative form of `pat` with prefix `sam-ā`.

Prefixes: sam+ā

Root: pat (class 1)

Note: The implied subject is Bhīma.