महाभारतः mahābhārataḥ - book-3, chapter-21, verse-16

ततः सागरमासाद्य कुक्षौ तस्य महोर्मिणः ।
समुद्रनाभ्यां शाल्वोऽभूत्सौभमास्थाय शत्रुहन् ॥१६॥

16. tataḥ sāgaramāsādya kukṣau tasya mahormiṇaḥ ,
samudranābhyāṁ śālvo'bhūtsaubhamāsthāya śatruhan.

16. tataḥ sāgaram āsādya kukṣau tasya mahormiṇaḥ
samudranābhyām śālvaḥ abhūt saubham āsthāya śatruhan

16. O slayer of enemies, then, having reached the great-waved ocean, Salva was in its interior, at the navel of the ocean, having ascended Saubha.

Words meanings summery:

• ततः (tataḥ) - then, thence, from that

• सागरम् (sāgaram) - ocean, sea

• आसाद्य (āsādya) - having reached, having attained, having approached

• कुक्षौ (kukṣau) - in the deep interior (of the ocean) (in the belly, in the interior, in the womb)

• तस्य (tasya) - referring to the ocean (of him, of that)

• महोर्मिणः (mahormiṇaḥ) - of the ocean (of the great-waved one, of the one with great waves)

• समुद्रनाभ्याम् (samudranābhyām) - in the navel of the ocean, at the center of the ocean

• शाल्वः (śālvaḥ) - King Salva (Salva (proper noun))

• अभूत् (abhūt) - was, became

• सौभम् (saubham) - The flying city (vehicle) of Salva. (Saubha (the aerial city/vehicle))

• आस्थाय (āsthāya) - having mounted, having ascended, having taken up

• शत्रुहन् (śatruhan) - An address to the listener (Krishna's charioteer, or Yudhiṣṭhira if this is a narration). (O slayer of enemies)

Words meanings and morphology

ततः (tataḥ) - then, thence, from that

(indeclinable)

derived from tad (that) with suffix -tas

सागरम् (sāgaram) - ocean, sea

(noun)

Accusative, masculine, singular of sāgara

sāgara - ocean, sea

Note: Object of āsādya.

आसाद्य (āsādya) - having reached, having attained, having approached

(indeclinable)

Absolutive (gerund)

formed from ā + sad + lyap

Prefix: ā

Root: sad (class 1)

कुक्षौ (kukṣau) - in the deep interior (of the ocean) (in the belly, in the interior, in the womb)

(noun)

Locative, masculine, singular of kukṣi

kukṣi - belly, womb, interior

तस्य (tasya) - referring to the ocean (of him, of that)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

Note: Refers to sāgara and agrees with mahormiṇaḥ.

महोर्मिणः (mahormiṇaḥ) - of the ocean (of the great-waved one, of the one with great waves)

(adjective)

Genitive, masculine, singular of mahormin

mahormin - having great waves, great-waved

Compound type : bahuvrīhi (mahā+ūrmi)

• mahā – great, large
  adjective
• ūrmi – wave, ripple
  noun (masculine)

Note: Qualifies sāgaram (implied by context and genitive case agreeing with tasya, which refers to sāgaram).

समुद्रनाभ्याम् (samudranābhyām) - in the navel of the ocean, at the center of the ocean

(noun)

Locative, feminine, singular of samudranābhi

samudranābhi - navel of the ocean, central point of the ocean

Compound type : tatpuruṣa (samudra+nābhi)

• samudra – ocean, sea
  noun (masculine)
• nābhi – navel, center, focal point
  noun (feminine)

शाल्वः (śālvaḥ) - King Salva (Salva (proper noun))

(proper noun)

Nominative, masculine, singular of śālva

śālva - Salva (name of a king, a country)

Note: Subject of abhūt.

अभूत् (abhūt) - was, became

(verb)

3rd person , singular, active, past aorist (luṅ) of bhū

Aorist (luṅ), 3rd person singular, active voice

aorist stem with augment 'a'

Root: bhū (class 1)

सौभम् (saubham) - The flying city (vehicle) of Salva. (Saubha (the aerial city/vehicle))

(proper noun)

Accusative, neuter, singular of saubha

saubha - related to Subha; name of an aerial city, a magical flying machine

Note: Object of āsthāya.

आस्थाय (āsthāya) - having mounted, having ascended, having taken up

(indeclinable)

Absolutive (gerund)

formed from ā + sthā + lyap

Prefix: ā

Root: sthā (class 1)

शत्रुहन् (śatruhan) - An address to the listener (Krishna's charioteer, or Yudhiṣṭhira if this is a narration). (O slayer of enemies)

(noun)

Vocative, masculine, singular of śatruhan

śatruhan - slayer of enemies

formed from śatru (enemy) + han (to strike/kill)

Compound type : tatpuruṣa (śatru+han)

• śatru – enemy
  noun (masculine)
• han – striking, killer
  noun (masculine)
  nominal derivative
  Derived from root han (to strike/kill)
  Root: han (class 2)