योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-53, verse-22

देहापवरकेष्वन्तर्महाहङ्कारयक्षकैः ।
सह संक्रीडतेऽत्यर्थं स सदैवासदुत्थितैः ॥ २२ ॥

dehāpavarakeṣvantarmahāhaṅkārayakṣakaiḥ ,
saha saṃkrīḍate'tyarthaṃ sa sadaivāsadutthitaiḥ 22

22. dehāpavarakeṣu antaḥ mahāhaṅkārayakṣakaiḥ saha
saṅkrīḍate atyartham saḥ sadā eva asadutthitaiḥ

22. saḥ dehāpavarakeṣu antaḥ sadā eva asadutthitaiḥ
mahāhaṅkārayakṣakaiḥ saha atyartham saṅkrīḍate

22. Within the inner chambers of the body, he (the self/consciousness) always enjoys exceedingly, playing with the great yakṣas of ego (ahaṅkāra), which are born of the unreal.

Words meanings summery:

• देहापवरकेषु (dehāpavarakeṣu) - within the body's private chambers (in the body-rooms, in the inner chambers of the body)

• अन्तः (antaḥ) - internally, within (the chambers) (inside, within, internal)

• महाहङ्कारयक्षकैः (mahāhaṅkārayakṣakaiḥ) - by the powerful, ego-driven entities (by the great ego (ahaṅkāra) yakṣas)

• सह (saha) - together with (with, along with, together)

• सङ्क्रीडते (saṅkrīḍate) - enjoys himself, plays along (plays together, sports, enjoys, frolics)

• अत्यर्थम् (atyartham) - exceedingly, very much (exceedingly, greatly, too much)

• सः (saḥ) - he (referring to the self or consciousness) (he, that)

• सदा (sadā) - always (always, ever, constantly)

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

• असदुत्थितैः (asadutthitaiḥ) - by those (yakṣas) born of the unreal (by those arisen from unreality/non-existence)

Words meanings and morphology

देहापवरकेषु (dehāpavarakeṣu) - within the body's private chambers (in the body-rooms, in the inner chambers of the body)

(noun)

Locative, neuter, plural of dehāpavaraka

dehāpavaraka - room of the body, inner chamber

Compound 'deha' (body) + 'apavaraka' (inner room/chamber).

Compound type : tatpuruṣa (deha+apavaraka)

• deha – body
  noun (masculine)
• apavaraka – inner room, private apartment, chamber
  noun (neuter)
  Prefix: apa

Note: Metaphorically, the internal spaces or consciousness within the physical body.

अन्तः (antaḥ) - internally, within (the chambers) (inside, within, internal)

(indeclinable)

Adverb or preposition.

महाहङ्कारयक्षकैः (mahāhaṅkārayakṣakaiḥ) - by the powerful, ego-driven entities (by the great ego (ahaṅkāra) yakṣas)

(noun)

Instrumental, masculine, plural of mahāhaṅkārayakṣaka

mahāhaṅkārayakṣaka - great yakṣa of ego (ahaṅkāra)

Compound of 'mahā' (great), 'ahaṅkāra' (ego), and 'yakṣaka' (small yakṣa, or simply yakṣa with a suffix).

Compound type : tatpuruṣa (mahā+ahaṅkāra+yakṣaka)

• mahā – great, large, mighty
  adjective (feminine)
• ahaṅkāra – ego (ahaṅkāra), self-conceit
  noun (masculine)
  Prefix: aham
  Root: kṛ (class 8)
• yakṣaka – yakṣa (class of spirits), specific yakṣa
  noun (masculine)
  From 'yakṣa' (a class of semi-divine beings) with 'ka' suffix.

Note: Refers to the egoistic impulses or entities that reside within.

सह (saha) - together with (with, along with, together)

(indeclinable)

Preposition governing instrumental case.

सङ्क्रीडते (saṅkrīḍate) - enjoys himself, plays along (plays together, sports, enjoys, frolics)

(verb)

3rd person , singular, middle, present (laṭ) of saṅkrīḍ

Present Tense, 3rd Person, Singular, Atmanepada

From root krīḍ (to play) with prefix sam.

Prefix: sam

Root: krīḍ (class 1)

Note: The subject is 'saḥ' (the self/consciousness).

अत्यर्थम् (atyartham) - exceedingly, very much (exceedingly, greatly, too much)

(indeclinable)

From 'ati' (excessive) + 'artha' (meaning, purpose, wealth). Here used adverbially.

Note: Modifies the verb 'saṅkrīḍate'.

सः (saḥ) - he (referring to the self or consciousness) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he

Demonstrative pronoun.

Note: Subject of the verb 'saṅkrīḍate'.

सदा (sadā) - always (always, ever, constantly)

(indeclinable)

Adverb of time.

Note: Modifies the verb 'saṅkrīḍate'.

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

(indeclinable)

Emphatic particle.

Note: Emphasizes the preceding word 'sadā'.

असदुत्थितैः (asadutthitaiḥ) - by those (yakṣas) born of the unreal (by those arisen from unreality/non-existence)

(adjective)

Instrumental, masculine, plural of asadutthita

asadutthita - arisen from unreality, born of the non-existent

Past Passive Participle

Compound 'asat' (unreal) + 'utthita' (arisen).

Compound type : tatpuruṣa (asat+utthita)

• asat – unreal, non-existent, false
  adjective (neuter)
  Negation 'a-' + 'sat' (being, existent)
  Root: as (class 2)
• utthita – risen, arisen, emerged
  adjective (masculine)
  Past Passive Participle
  From 'ud' + root 'sthā' (to stand)
  Prefix: ud
  Root: sthā (class 1)

Note: Agrees with 'mahāhaṅkārayakṣakaiḥ'.