योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-126, verse-65

परिशान्ततया नित्यं निद्रालुरिव लक्ष्यते ।
कुर्वन्नभ्यासमेतस्यां भूमिकायां विवासनः ॥ ६५ ॥

pariśāntatayā nityaṃ nidrāluriva lakṣyate ,
kurvannabhyāsametasyāṃ bhūmikāyāṃ vivāsanaḥ 65

65. pariśāntatayā nityam nidrāluḥ iva lakṣyate
kurvan abhyāsam etasyām bhūmikāyām vivāsanaḥ

65. pariśāntatayā nityam nidrāluḥ iva lakṣyate
etasyām bhūmikāyām abhyāsam kurvan vivāsanaḥ

65. Always, due to complete tranquility, one appears as if drowsy. While performing practice in this stage, one becomes free from latent impressions (vāsanā).

Words meanings summery:

• परिशान्ततया (pariśāntatayā) - by complete tranquility, with perfect peacefulness

• नित्यम् (nityam) - always, constantly, perpetually

• निद्रालुः (nidrāluḥ) - sleepy, drowsy, one who is fond of sleep

• इव (iva) - like, as if, similar to

• लक्ष्यते (lakṣyate) - is perceived, appears, is seen

• कुर्वन् (kurvan) - doing, performing, making

• अभ्यासम् (abhyāsam) - practice, repeated effort, study

• एतस्याम् (etasyām) - in this (feminine)

• भूमिकायाम् (bhūmikāyām) - in the stage, in the state

• विवासनः (vivāsanaḥ) - one who is free from latent impressions/desires (vāsanā)

Words meanings and morphology

परिशान्ततया (pariśāntatayā) - by complete tranquility, with perfect peacefulness

(noun)

Instrumental, feminine, singular of pariśāntatā

pariśāntatā - complete tranquility, perfect peacefulness

Compound type : tatpuruṣa (pariśānta+tā)

• pariśānta – completely calm, perfectly tranquil
  participle (masculine)
  Past Passive Participle
  Prefix: pari
  Root: śam (class 4)
• tā – -ness, -hood (forms abstract noun)
  suffix (feminine)

नित्यम् (nityam) - always, constantly, perpetually

(indeclinable)

निद्रालुः (nidrāluḥ) - sleepy, drowsy, one who is fond of sleep

(adjective)

Nominative, masculine, singular of nidrālu

nidrālu - sleepy, drowsy, one prone to sleep

derived from nidrā (sleep) with suffix -ālu.

इव (iva) - like, as if, similar to

(indeclinable)

लक्ष्यते (lakṣyate) - is perceived, appears, is seen

(verb)

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

Root: lakṣ (class 10)

कुर्वन् (kurvan) - doing, performing, making

(participle)

Nominative, masculine, singular of kurvat

kurvat - doing, performing

Present Active Participle

śatṛ suffix

Root: kṛ (class 8)

अभ्यासम् (abhyāsam) - practice, repeated effort, study

(noun)

Accusative, masculine, singular of abhyāsa

abhyāsa - practice, repetition, study

Prefix: abhi

Root: as (class 4)

एतस्याम् (etasyām) - in this (feminine)

(pronoun)

Locative, feminine, singular of etad

etad - this

भूमिकायाम् (bhūmikāyām) - in the stage, in the state

(noun)

Locative, feminine, singular of bhūmikā

bhūmikā - stage, state, level, ground

विवासनः (vivāsanaḥ) - one who is free from latent impressions/desires (vāsanā)

(adjective)

Nominative, masculine, singular of vivāsana

vivāsana - free from latent impressions, without latent desires

Compound type : bahuvrīhi (vi+vāsanā)

• vi – separation, absence
  indeclinable
• vāsanā – latent impression, subconscious tendency, desire
  noun (feminine)
  Root: vas (class 1)