योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-93, verse-20

आत्मन्येवैष मूकात्मा ध्यानवानवतिष्ठते ।
संचाल्यते परेणैव तरङ्गेणैव काष्ठकम् ॥ २० ॥

ātmanyevaiṣa mūkātmā dhyānavānavatiṣṭhate ,
saṃcālyate pareṇaiva taraṅgeṇaiva kāṣṭhakam 20

20. ātmani eva eṣaḥ mūkātmā dhyānavān avatiṣṭhate
saṃcālyate pareṇa eva taraṅgeṇa eva kāṣṭhakam

20. eṣaḥ mūkātmā ātmani eva dhyānavān avatiṣṭhate.
pareṇa eva taraṅgeṇa eva kāṣṭhakam saṃcālyate.

20. This silent-natured (body or self) remains absorbed in meditation (dhyāna) within the (higher) Self (ātman). It is moved only by another, just as a piece of wood is moved by a wave.

Words meanings summery:

• आत्मनि (ātmani) - in the self, in the soul, in the Self (ātman)

• एव (eva) - only, indeed, just

• एषः (eṣaḥ) - this one

• मूकात्मा (mūkātmā) - silent-natured, mute-souled

• ध्यानवान् (dhyānavān) - meditative, absorbed in meditation (dhyāna)

• अवतिष्ठते (avatiṣṭhate) - remains, stands, abides

• संचाल्यते (saṁcālyate) - is moved, is propelled

• परेण (pareṇa) - by another, by a superior entity

• एव (eva) - only, indeed, just

• तरङ्गेण (taraṅgeṇa) - by a wave

• एव (eva) - only, indeed, just

• काष्ठकम् (kāṣṭhakam) - piece of wood, log

Words meanings and morphology

आत्मनि (ātmani) - in the self, in the soul, in the Self (ātman)

(noun)

Locative, masculine, singular of ātman

ātman - breath, soul, self (ātman), individual soul, supreme soul, essence, nature

एव (eva) - only, indeed, just

(indeclinable)

एषः (eṣaḥ) - this one

(pronoun)

Nominative, masculine, singular of etat

etat - this, this one

मूकात्मा (mūkātmā) - silent-natured, mute-souled

(adjective)

Nominative, masculine, singular of mūkātman

mūkātman - silent-natured, mute-souled, having a silent or dull nature

Compound type : bahuvrīhi (mūka+ātman)

• mūka – dumb, mute, silent
  adjective (masculine)
• ātman – soul, self (ātman), essence, nature
  noun (masculine)

Note: Refers to the subtle body or individual self.

ध्यानवान् (dhyānavān) - meditative, absorbed in meditation (dhyāna)

(adjective)

Nominative, masculine, singular of dhyānavat

dhyānavat - meditative, engaged in meditation (dhyāna), absorbed in contemplation

Derived from 'dhyāna' + 'vat' (possessive suffix)

Compound type : bahuvrīhi (dhyāna+vat)

• dhyāna – meditation (dhyāna), contemplation, profound thought
  noun (neuter)
  Derived from root 'dhyai' (to contemplate)
  Root: dhyai (class 1)
• vat – possessing, having, like, as
  suffix
  possessive suffix

Note: Agrees with 'eṣaḥ mūkātmā'

अवतिष्ठते (avatiṣṭhate) - remains, stands, abides

(verb)

3rd person , singular, middle, present (lat) of sthā

Prefix: ava

Root: sthā (class 1)

संचाल्यते (saṁcālyate) - is moved, is propelled

(verb)

3rd person , singular, passive, present (lat) of cal

Causative Passive form of 'cal'

Prefix: sam

Root: cal (class 1)

परेण (pareṇa) - by another, by a superior entity

(adjective)

Instrumental, masculine, singular of para

para - other, another, different, higher, supreme

एव (eva) - only, indeed, just

(indeclinable)

तरङ्गेण (taraṅgeṇa) - by a wave

(noun)

Instrumental, masculine, singular of taraṅga

taraṅga - wave, billow, surge

एव (eva) - only, indeed, just

(indeclinable)

काष्ठकम् (kāṣṭhakam) - piece of wood, log

(noun)

Accusative, neuter, singular of kāṣṭhaka

kāṣṭhaka - a piece of wood, a log, firewood

Derived from 'kāṣṭha' + 'ka' (diminutive suffix)