योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-34, verse-22

अथ क्षीरोदकुहरे तावत्सा सुरवाहिनी ।
उवास यावद्भगवांस्तन्निरासार्थमुद्ययौ ॥ २२ ॥

atha kṣīrodakuhare tāvatsā suravāhinī ,
uvāsa yāvadbhagavāṃstannirāsārthamudyayau 22

22. atha kṣīroda-kuhare tāvat sā suravāhinī uvāsa
yāvat bhagavān tat-nirāsa-artham udyayau

22. atha sā suravāhinī kṣīroda-kuhare tāvat uvāsa
yāvat bhagavān tat-nirāsa-artham udyayau

22. Then, that army of gods (suravāhinī) dwelled in the depths of the milk ocean until the venerable one (Bhagavān) set out for the purpose of removing (their distress/the cause of their distress).

Words meanings summery:

• अथ (atha) - then, thereupon, now

• क्षीरोद-कुहरे (kṣīroda-kuhare) - in the depths/cave of the milk ocean

• तावत् (tāvat) - until then, for that long (so much, so many, as long as, until then)

• सा (sā) - that (referring to the army of gods) (that, she)

• सुरवाहिनी (suravāhinī) - army of gods, divine host

• उवास (uvāsa) - dwelled, lived, stayed

• यावत् (yāvat) - until (as long as, until, as much as)

• भगवान् (bhagavān) - the venerable one (Viṣṇu) (venerable, divine, glorious; the Lord, the Blessed One)

• तत्-निरास-अर्थम् (tat-nirāsa-artham) - for the purpose of removing their distress/the cause of their distress (for the purpose of removing that)

• उद्ययौ (udyayau) - set out, arose, undertook

Words meanings and morphology

अथ (atha) - then, thereupon, now

(indeclinable)

क्षीरोद-कुहरे (kṣīroda-kuhare) - in the depths/cave of the milk ocean

(noun)

Locative, neuter, singular of kṣīroda-kuhara

kṣīroda-kuhara - depths of the milk ocean, cave of the milk ocean

Compound type : genitive tatpuruṣa (kṣīroda+kuhara)

• kṣīroda – milk ocean
  noun (masculine)
• kuhara – cave, cavern, depth, hollow
  noun (neuter)

तावत् (tāvat) - until then, for that long (so much, so many, as long as, until then)

(indeclinable)

Note: Acts as a correlative to `yāvat`.

सा (sā) - that (referring to the army of gods) (that, she)

(pronoun)

Nominative, feminine, singular of tad

tad - that, he, she, it

सुरवाहिनी (suravāhinī) - army of gods, divine host

(noun)

Nominative, feminine, singular of suravāhinī

suravāhinī - army of gods, divine host

Compound type : tatpuruṣa (sura+vāhinī)

• sura – god, deity
  noun (masculine)
• vāhinī – army, host; river
  noun (feminine)

उवास (uvāsa) - dwelled, lived, stayed

(verb)

3rd person , singular, active, perfect (lit) of vas

Perfect (lit)

Root vas (to dwell), 3rd person singular perfect active

Root: vas (class 1)

यावत् (yāvat) - until (as long as, until, as much as)

(indeclinable)

Note: Acts as a correlative to `tāvat`.

भगवान् (bhagavān) - the venerable one (Viṣṇu) (venerable, divine, glorious; the Lord, the Blessed One)

(noun)

Nominative, masculine, singular of bhagavat

bhagavat - venerable, divine, glorious; Lord, the Blessed One

Present participle of root bhaj (to possess, obtain), but used as a noun/epithet.

Root: bhaj (class 1)

तत्-निरास-अर्थम् (tat-nirāsa-artham) - for the purpose of removing their distress/the cause of their distress (for the purpose of removing that)

(noun)

Accusative, neuter, singular of tat-nirāsa-artha

tat-nirāsa-artha - for the purpose of removing that

Compound type : tatpuruṣa (tad+nirāsa+artha)

• tad – that
  pronoun (neuter)
• nirāsa – removal, expulsion, rejection
  noun (masculine)
  Root as (to throw) + nir-ā (prefixes)
  Prefixes: nir+ā
  Root: as (class 2)
• artha – purpose, meaning, object, wealth
  noun (masculine)

Note: Used adverbially.

उद्ययौ (udyayau) - set out, arose, undertook

(verb)

3rd person , singular, active, perfect (lit) of udyā

Perfect (lit)

Root yā (to go) + ut (prefix), 3rd person singular perfect active

Prefix: ut

Root: yā (class 2)