योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-7, verse-10

भावाभावसहस्रेषु दशासु विविधासु च ।
स्वपौरुषवशादेव निवृत्ता भूतजातयः ॥ १० ॥

bhāvābhāvasahasreṣu daśāsu vividhāsu ca ,
svapauruṣavaśādeva nivṛttā bhūtajātayaḥ 10

10. bhāva-abhāva-sahasreṣu daśāsu vividhāsu ca
sva-pauruṣa-vaśāt eva nivṛttāḥ bhūta-jātayaḥ

10. bhūta-jātayaḥ bhāva-abhāva-sahasreṣu vividhāsu
daśāsu ca sva-pauruṣa-vaśāt eva nivṛttāḥ

10. In thousands of states of being and non-being, and in various other conditions, the classes of created beings are determined solely by the power of their own human endeavor (pauruṣa).

Words meanings summery:

• भाव-अभाव-सहस्रेषु (bhāva-abhāva-sahasreṣu) - in thousands of existences and non-existences (states of being and non-being)

• दशासु (daśāsu) - in states, in conditions, in circumstances

• विविधासु (vividhāsu) - in various, in diverse

• च (ca) - and (and, also, moreover)

• स्व-पौरुष-वशात् (sva-pauruṣa-vaśāt) - solely by the power of their own human actions (pauruṣa) (by the power of one's own human effort)

• एव (eva) - solely (only, indeed, just, certainly)

• निवृत्ताः (nivṛttāḥ) - are determined, are shaped (turned back, ceased, departed, occurred, determined, shaped)

• भूत-जातयः (bhūta-jātayaḥ) - the classes of created beings (classes of beings, species of creatures, created beings)

Words meanings and morphology

भाव-अभाव-सहस्रेषु (bhāva-abhāva-sahasreṣu) - in thousands of existences and non-existences (states of being and non-being)

(noun)

Locative, neuter, plural of bhāvābhāvasahasra

bhāvābhāvasahasra - thousands of existences and non-existences

Dvandva compound (bhāva-abhāva) followed by Tatpuruṣa (bhāvābhāvayoḥ sahasram).

Compound type : Dvandva + Tatpuruṣa (bhāva+abhāva+sahasra)

• bhāva – existence, being, state, disposition, feeling
  noun (masculine)
  From root bhū (to be, become) + a suffix.
  Root: bhū (class 1)
• abhāva – non-existence, absence, negation
  noun (masculine)
  Negation of bhāva with a- prefix.
  Prefix: a
  Root: bhū (class 1)
• sahasra – thousand
  noun (neuter)

दशासु (daśāsu) - in states, in conditions, in circumstances

(noun)

Locative, feminine, plural of daśā

daśā - state, condition, situation, period of life, fate

From root daś (to bite, to see, to point out) or diś (to show).

विविधासु (vividhāsu) - in various, in diverse

(adjective)

Locative, feminine, plural of vividha

vividha - various, manifold, diverse, of many kinds

From vi-vidh (to arrange, dispose) + a suffix.

Prefix: vi

Root: vidh (class 1)

Note: Agrees with 'daśāsu'.

च (ca) - and (and, also, moreover)

(indeclinable)

स्व-पौरुष-वशात् (sva-pauruṣa-vaśāt) - solely by the power of their own human actions (pauruṣa) (by the power of one's own human effort)

(noun)

Ablative, masculine, singular of svapauruṣavaśa

svapauruṣavaśa - the power or sway of one's own human effort/action

Tatpuruṣa compound (svasya pauruṣasya vaśāt).

Compound type : Tatpuruṣa (sva+pauruṣa+vaśa)

• sva – one's own, self, own property
  pronoun/adjective (masculine)
• pauruṣa – human effort, manliness, valor, action (often implying self-exertion or responsibility for one's actions)
  noun (neuter)
  Derived from puruṣa (person, human being) with the suffix aṇ.
• vaśa – will, power, control, sway, submission
  noun (masculine)
  From root vaś (to wish, desire).
  Root: vaś (class 1)

एव (eva) - solely (only, indeed, just, certainly)

(indeclinable)

निवृत्ताः (nivṛttāḥ) - are determined, are shaped (turned back, ceased, departed, occurred, determined, shaped)

(participle)

Nominative, feminine, plural of nivṛtta

nivṛtta - turned back, ceased, stopped, returned, retired, disappeared, manifested, determined

Past Passive Participle

PPP of root vṛt with ni prefix.

Prefix: ni

Root: vṛt (class 1)

Note: Agrees with 'bhūtajātayaḥ'.

भूत-जातयः (bhūta-jātayaḥ) - the classes of created beings (classes of beings, species of creatures, created beings)

(noun)

Nominative, feminine, plural of bhūtajāti

bhūtajāti - class of beings, species of creatures

Tatpuruṣa compound (bhūtānāṃ jātiḥ).

Compound type : Tatpuruṣa (bhūta+jāti)

• bhūta – being, creature, element, past, happened
  participle (neuter)
  Past Passive Participle
  PPP of root bhū (to be, become).
  Root: bhū (class 1)
• jāti – birth, class, species, kind, lineage
  noun (feminine)
  From root jan (to be born) + ti suffix.
  Root: jan (class 4)

Note: Subject of the sentence.