योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-31, verse-27

स धर्ता सुरसैन्यस्य मज्जतो विपदर्णवे ।
क्षीरोदोदरमग्नस्य मन्दरस्येव कच्छपः ॥ २७ ॥

sa dhartā surasainyasya majjato vipadarṇave ,
kṣīrododaramagnasya mandarasyeva kacchapaḥ 27

27. saḥ dhartā sura-sainyasya majjataḥ vipad-arṇave
kṣīra-uda-udara-magnasya mandarasya iva kacchapaḥ

27. saḥ vipad-arṇave majjataḥ sura-sainyasya dhartā
kacchapaḥ iva kṣīra-uda-udara-magnasya mandarasya

27. He is the upholder of the divine army, which is drowning in the ocean of calamity (vipad-arṇava), just as the tortoise (kacchapa) was the upholder of Mount Mandara (mandara), which had sunk into the depths of the milk ocean (kṣīroda).

Words meanings summery:

• सः (saḥ) - He (Kṛṣṇa) (he)

• धर्ता (dhartā) - sustainer, upholder, bearer

• सुर-सैन्यस्य (sura-sainyasya) - of the army of gods

• मज्जतः (majjataḥ) - of one sinking, of one drowning

• विपद्-अर्णवे (vipad-arṇave) - in the ocean of calamity/danger

• क्षीर-उद-उदर-मग्नस्य (kṣīra-uda-udara-magnasya) - of the one submerged in the depths of the ocean of milk

• मन्दरस्य (mandarasya) - of Mount Mandara

• इव (iva) - like, as if, as

• कच्छपः (kacchapaḥ) - tortoise, turtle

Words meanings and morphology

सः (saḥ) - He (Kṛṣṇa) (he)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it (demonstrative pronoun)

धर्ता (dhartā) - sustainer, upholder, bearer

(noun)

Nominative, masculine, singular of dhartṛ

dhartṛ - upholder, supporter, maintainer, bearer

agent noun

Derived from dhṛ (to hold, bear)

Root: dhṛ (class 1)

सुर-सैन्यस्य (sura-sainyasya) - of the army of gods

(noun)

Genitive, neuter, singular of sura-sainya

sura-sainya - army of gods

Compound type : Tatpurusha (sura+sainya)

• sura – god, deity
  noun (masculine)
• sainya – army, host, military force
  noun (neuter)

मज्जतः (majjataḥ) - of one sinking, of one drowning

(adjective)

Genitive, neuter, singular of majjat

majjat - sinking, submerging, drowning

Present Active Participle

PAP of majj (to sink, drown)

Root: majj (class 1)

Note: Agrees with 'sura-sainyasya'.

विपद्-अर्णवे (vipad-arṇave) - in the ocean of calamity/danger

(noun)

Locative, masculine, singular of vipad-arṇava

vipad-arṇava - ocean of calamity; sea of danger

Compound type : Tatpurusha (vipad+arṇava)

• vipad – calamity, misfortune, danger
  noun (feminine)
• arṇava – ocean, sea
  noun (masculine)

क्षीर-उद-उदर-मग्नस्य (kṣīra-uda-udara-magnasya) - of the one submerged in the depths of the ocean of milk

(adjective)

Genitive, masculine, singular of kṣīra-uda-udara-magna

kṣīra-uda-udara-magna - submerged in the belly/depths of the milk-ocean

Compound type : Bahuvrihi (kṣīra+uda+udara+magna)

• kṣīra – milk
  noun (neuter)
• uda – water, ocean
  noun (neuter)
• udara – belly, interior, inside, depths
  noun (neuter)
• magna – submerged, immersed, sunk
  adjective (neuter)
  Past Passive Participle
  PPP of majj (to sink)
  Root: majj (class 1)

Note: Agrees with 'mandarasya'.

मन्दरस्य (mandarasya) - of Mount Mandara

(proper noun)

Genitive, masculine, singular of mandara

mandara - Mount Mandara (a mythical mountain used to churn the ocean of milk)

इव (iva) - like, as if, as

(indeclinable)

कच्छपः (kacchapaḥ) - tortoise, turtle

(noun)

Nominative, masculine, singular of kacchapa

kacchapa - tortoise, turtle (often referring to Kurma avatar)