योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-40, verse-20

तत्र स्थिताः सदा शान्तास्त्वादृशाः पुरुषोत्तमाः ।
सुषुप्तावयवस्पन्दसाधर्म्येण चरन्ति हि ॥ २० ॥

tatra sthitāḥ sadā śāntāstvādṛśāḥ puruṣottamāḥ ,
suṣuptāvayavaspandasādharmyeṇa caranti hi 20

20. tatra sthitāḥ sadā śāntāḥ tvādṛśāḥ puruṣottamāḥ
suṣuptāvayavaspandasādharmyeṇa caranti hi

20. tatra sthitāḥ sadā śāntāḥ tvādṛśāḥ puruṣottamāḥ,
suṣuptāvayavaspandasādharmyeṇa hi caranti.

20. Those supreme persons (puruṣottamāḥ) like you, who are always peaceful (śāntāḥ) and established in that state (of liberation), indeed behave with movements of their limbs resembling those in deep sleep.

Words meanings summery:

• तत्र (tatra) - in that state (of peace/liberation) (there, then)

• स्थिताः (sthitāḥ) - situated, dwelling (in that state) (established, abiding, firm)

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

• शान्ताः (śāntāḥ) - serene (peaceful, tranquil, calm)

• त्वादृशाः (tvādṛśāḥ) - such as yourself (like you, similar to you)

• पुरुषोत्तमाः (puruṣottamāḥ) - enlightened beings (best among men, supreme person (puruṣa))

• सुषुप्तावयवस्पन्दसाधर्म्येण (suṣuptāvayavaspandasādharmyeṇa) - like the involuntary movements of one in deep sleep (by reason of similarity to the movements of limbs in deep sleep)

• चरन्ति (caranti) - they act or behave (they move, they roam, they act, they behave)

• हि (hi) - indeed (indeed, surely, for)

Words meanings and morphology

तत्र (tatra) - in that state (of peace/liberation) (there, then)

(indeclinable)

Formed from `tad` (that) + suffix `tra`

स्थिताः (sthitāḥ) - situated, dwelling (in that state) (established, abiding, firm)

(adjective)

Nominative, masculine, plural of sthita

sthita - stood, standing, abiding, established

past passive participle

From root `sthā` (to stand)

Root: sthā (class 1)

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

(indeclinable)

शान्ताः (śāntāḥ) - serene (peaceful, tranquil, calm)

(adjective)

Nominative, masculine, plural of śānta

śānta - peaceful, tranquil, ceased, appeased

past passive participle

From root `śam` (to be calm)

Root: śam (class 4)

त्वादृशाः (tvādṛśāḥ) - such as yourself (like you, similar to you)

(adjective)

Nominative, masculine, plural of tvādṛśa

tvādṛśa - like you, similar to you

From `tvad` (you) + `dṛś` (to see) + suffix `a`

Root: dṛś (class 1)

Note: Qualifies `puruṣottamāḥ`.

पुरुषोत्तमाः (puruṣottamāḥ) - enlightened beings (best among men, supreme person (puruṣa))

(noun)

Nominative, masculine, plural of puruṣottama

puruṣottama - best among men, supreme person (puruṣa), highest spirit

Compound type : tatpuruṣa (puruṣa+uttama)

• puruṣa – man, person, human being, the cosmic person (puruṣa), the self
  noun (masculine)
• uttama – highest, best, excellent, supreme
  adjective (masculine)
  Superlative of `ut` (up)

Note: Subject of the sentence.

सुषुप्तावयवस्पन्दसाधर्म्येण (suṣuptāvayavaspandasādharmyeṇa) - like the involuntary movements of one in deep sleep (by reason of similarity to the movements of limbs in deep sleep)

(noun)

Instrumental, neuter, singular of suṣuptāvayavaspandasādharmya

suṣuptāvayavaspandasādharmya - similarity to the movements of limbs in deep sleep

Compound type : tatpuruṣa (suṣupta+avayava+spanda+sādharmya)

• suṣupta – deep sleep, fast asleep
  adjective (neuter)
  past passive participle
  From root `svap` (to sleep) with `su` prefix (well)
  Prefix: su
  Root: svap (class 2)
• avayava – limb, part, component
  noun (masculine)
  From `ava-yu`
  Prefix: ava
  Root: yu (class 2)
• spanda – vibration, tremor, movement, pulsation
  noun (masculine)
  From root `spad` (to move)
  Root: spad (class 1)
• sādharmya – similarity, resemblance
  noun (neuter)
  From `sādharma` (having common qualities) + suffix `ya`
  Prefix: sa
  Root: dhṛ (class 1)

Note: Specifies the manner of their action.

चरन्ति (caranti) - they act or behave (they move, they roam, they act, they behave)

(verb)

3rd person , plural, active, present (lat) of car

present tense

3rd person plural present active, Pāṇinian class 1 verb

Root: car (class 1)

हि (hi) - indeed (indeed, surely, for)

(indeclinable)