योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-12, verse-2

न मनः प्रोल्ललासास्य क्वचिदानन्दवृत्तिषु ।
केवलं सुषुप्तसंस्थं सदैव व्यवतिष्ठत ॥ २ ॥

na manaḥ prollalāsāsya kvacidānandavṛttiṣu ,
kevalaṃ suṣuptasaṃsthaṃ sadaiva vyavatiṣṭhata 2

2. na manaḥ prollalāsa asya kvacit ānandavṛttiṣu
kevalam suṣuptasaṃstham sadā eva vyavatiṣṭhata

2. asya manaḥ kvacit ānandavṛttiṣu na prollalāsa
kevalam sadā eva suṣuptasaṃstham vyavatiṣṭhata

2. His mind (manas) never delighted in any joyful experiences (ānandavṛtti). It merely remained always as if in a state of deep sleep (suṣuptasaṃstha).

Words meanings summery:

• न (na) - not, no, nor

• मनः (manaḥ) - mind, intellect, heart, understanding

• प्रोल्ललास (prollalāsa) - rejoiced, delighted, sported, played

• अस्य (asya) - his, of this, of him

• क्वचित् (kvacit) - anywhere, sometimes, in some place, on some occasion

• आनन्दवृत्तिषु (ānandavṛttiṣu) - in joyful states, in modes of happiness

• केवलम् (kevalam) - only, merely, exclusively, entirely

• सुषुप्तसंस्थम् (suṣuptasaṁstham) - abiding in deep sleep, situated in deep sleep

• सदा (sadā) - always, ever, constantly

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

• व्यवतिष्ठत (vyavatiṣṭhata) - remained, stayed, was situated

Words meanings and morphology

न (na) - not, no, nor

(indeclinable)

मनः (manaḥ) - mind, intellect, heart, understanding

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, heart, understanding, thought, desire

Root: man (class 4)

प्रोल्ललास (prollalāsa) - rejoiced, delighted, sported, played

(verb)

3rd person , singular, active, past perfect (lit) of prollalāsa

Perfect Active

From pra-ud-√las, 3rd person singular perfect active

Prefixes: pra+ud

Root: las (class 1)

Note: Refers to the mind

अस्य (asya) - his, of this, of him

(pronoun)

Genitive, masculine, singular of idam

idam - this, he, she, it

Note: Refers to the subject of the narration (likely a king or a yogi)

क्वचित् (kvacit) - anywhere, sometimes, in some place, on some occasion

(indeclinable)

आनन्दवृत्तिषु (ānandavṛttiṣu) - in joyful states, in modes of happiness

(noun)

Locative, feminine, plural of ānandavṛtti

ānandavṛtti - a state of joy, a mode of happiness

Compound type : tatpuruṣa (ānanda+vṛtti)

• ānanda – joy, happiness, bliss
  noun (masculine)
  From ā-√nand (to rejoice)
  Prefix: ā
  Root: nand (class 1)
• vṛtti – state, mode, activity, conduct, course, livelihood
  noun (feminine)
  From √vṛt (to be, exist, turn)
  Root: vṛt (class 1)

केवलम् (kevalam) - only, merely, exclusively, entirely

(adjective)

Nominative, neuter, singular of kevala

kevala - sole, unique, alone, exclusive, mere, pure

Note: Adverbial usage

सुषुप्तसंस्थम् (suṣuptasaṁstham) - abiding in deep sleep, situated in deep sleep

(adjective)

Nominative, neuter, singular of suṣuptasaṃstha

suṣuptasaṁstha - abiding in deep sleep, residing in deep sleep, resembling deep sleep

Compound type : tatpuruṣa (suṣupta+saṃstha)

• suṣupta – deep sleep, fast asleep
  noun (neuter)
  Past Passive Participle
  From su-√svap (to sleep well/deeply)
  Prefix: su
  Root: svap (class 2)
• saṃstha – abiding, situated, standing, being in
  adjective (neuter)
  From sam-√sthā (to stand, remain)
  Prefix: sam
  Root: sthā (class 1)

Note: Qualifies 'manaḥ'

सदा (sadā) - always, ever, constantly

(indeclinable)

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

(indeclinable)

Note: Emphatic particle

व्यवतिष्ठत (vyavatiṣṭhata) - remained, stayed, was situated

(verb)

3rd person , singular, active, past imperfect (laṅ) of vyavatiṣṭhata

Imperfect Active

From vi-ava-√sthā, 3rd person singular imperfect active (ātmanepada form, but often used transitively or intransitively in active meaning)

Prefixes: vi+ava

Root: sthā (class 1)