योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-39, verse-58

समताकाशवद्भूत्वा यत्तु स्याल्लीनमानसम् ।
अविकारमनायासं तदेवार्चनमुच्यते ॥ ५८ ॥

samatākāśavadbhūtvā yattu syāllīnamānasam ,
avikāramanāyāsaṃ tadevārcanamucyate 58

58. samatā ākāśavat bhūtvā yat tu syāt līnamānasam
avikāram anāyāsam tat eva arcanam ucyate

58. yat mānasam samatā ākāśavat bhūtvā līnam syāt
tu tat avikāram anāyāsam eva arcanam ucyate

58. Whatever mind (mānasa), having become like the expanse of equanimity (samatā), becomes completely absorbed (līna), that very state, changeless and effortless, is indeed called worship (arcana).

Words meanings summery:

• समता (samatā) - equanimity, equality

• आकाशवत् (ākāśavat) - expansive and all-pervading like the sky (like the sky, like space)

• भूत्वा (bhūtvā) - having become

• यत् (yat) - whatever mind (which, whatever)

• तु (tu) - but, indeed, yet

• स्यात् (syāt) - becomes (may be, would be, should be)

• लीनमानसम् (līnamānasam) - a mind that is absorbed or dissolved (merged mind, whose mind is absorbed)

• अविकारम् (avikāram) - unchangeable, without modification

• अनायासम् (anāyāsam) - effortless, without exertion

• तत् (tat) - that (state of mind) (that)

• एव (eva) - indeed, only, just

• अर्चनम् (arcanam) - true worship (worship, adoration, homage)

• उच्यते (ucyate) - is called, is said, is declared

Words meanings and morphology

समता (samatā) - equanimity, equality

(noun)

Nominative, feminine, singular of samatā

samatā - equality, equanimity, impartiality, sameness

Derived from 'sama' (equal) + 'tā' (abstract suffix).

आकाशवत् (ākāśavat) - expansive and all-pervading like the sky (like the sky, like space)

(adjective)

of ākāśavat

ākāśavat - like the sky, spatial, ethereal

Derived from 'ākāśa' (space, sky) with possessive suffix 'vat' (like).

Compound type : tatpuruṣa (ākāśa+vat)

• ākāśa – ether, space, sky, atmosphere
  noun (masculine)
• vat – like, as, possessing
  indeclinable
  Suffix for comparison or possession

भूत्वा (bhūtvā) - having become

(indeclinable)

Absolutive (Gerund)

Derived from root √bhū (to be, become) + suffix 'tvā'.

Root: bhū (class 1)

Note: Modifies the subject 'mānasa'.

यत् (yat) - whatever mind (which, whatever)

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, whoever, whatever

Relative pronoun, neuter nominative singular.

तु (tu) - but, indeed, yet

(indeclinable)

स्यात् (syāt) - becomes (may be, would be, should be)

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of as

Optative Mood

3rd person singular, active voice, optative mood, from root √as.

Root: as (class 2)

लीनमानसम् (līnamānasam) - a mind that is absorbed or dissolved (merged mind, whose mind is absorbed)

(adjective)

Nominative, neuter, singular of līnamānasa

līnamānasa - whose mind is merged/absorbed, absorbed mind

Bahuvrīhi compound: 'līna' (merged) + 'mānasa' (mind). Neuter nominative singular, agreeing with 'yat' (implied 'mānasa').

Compound type : bahuvrīhi (līna+mānasa)

• līna – merged, dissolved, absorbed, clung to
  adjective
  Past Passive Participle
  Derived from root √lī (to cling, dissolve, merge).
  Root: lī (class 4)
• mānasa – mind, mental, belonging to the mind
  noun (neuter)
  Derived from 'manas' (mind).

Note: Predicate adjective for 'yat'.

अविकारम् (avikāram) - unchangeable, without modification

(adjective)

Nominative, neuter, singular of avikāra

avikāra - without change, immutable, not modified

Compound: 'a' (not) + 'vikāra' (change). Neuter nominative singular, agreeing with 'tat'.

Compound type : nañ-tatpuruṣa (a+vikāra)

• a – not, un-
  indeclinable
  Negative prefix
• vikāra – change, alteration, modification, transformation
  noun (masculine)
  From 'vi' + √kṛ (to do, make).
  Prefix: vi
  Root: kṛ (class 8)

Note: Predicate adjective for 'tat'.

अनायासम् (anāyāsam) - effortless, without exertion

(adjective)

Nominative, neuter, singular of anāyāsa

anāyāsa - without effort, easy, effortless

Compound: 'an' (not) + 'āyāsa' (effort). Neuter nominative singular, agreeing with 'tat'.

Compound type : nañ-tatpuruṣa (an+āyāsa)

• an – not, un-
  indeclinable
  Negative prefix
• āyāsa – effort, exertion, trouble, fatigue
  noun (masculine)
  From 'ā' + √yas (to exert).
  Prefix: ā
  Root: yas (class 4)

Note: Predicate adjective for 'tat'.

तत् (tat) - that (state of mind) (that)

(pronoun)

Nominative, neuter, singular of tad

tad - that, she, he, it

Demonstrative pronoun, neuter nominative singular.

Note: Subject of 'ucyate'.

एव (eva) - indeed, only, just

(indeclinable)

अर्चनम् (arcanam) - true worship (worship, adoration, homage)

(noun)

Nominative, neuter, singular of arcana

arcana - worship, adoration, homage, revering

Verbal noun

Derived from root √arc (to honor, worship).

Root: arc (class 1)

उच्यते (ucyate) - is called, is said, is declared

(verb)

3rd person , singular, passive, present (laṭ) of vac

Present Tense

Root √vac (to speak) in passive voice, 3rd person singular, present tense. Irregular passive formation.

Root: vac (class 2)