योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-70, verse-20

देशकालक्रियाद्रव्यमनोबुद्ध्यादिकं त्विदम् ।
चिच्छिलाङ्गकमेवैकं विद्ध्यनस्तमयोदयम् ॥ २० ॥

deśakālakriyādravyamanobuddhyādikaṃ tvidam ,
cicchilāṅgakamevaikaṃ viddhyanastamayodayam 20

20. deśakālakriyādravyamanobuddhyādikam tu idam
cicchilāṅgakam eva ekam viddhi anastamayodayam

20. Know that this entire reality, encompassing space, time, action, substance, mind, intellect, and all else, is truly a single, unwavering body of pure consciousness (cit), which is without rising or setting.

Words meanings summery:

• देशकालक्रियाद्रव्यमनोबुद्ध्यादिकम् (deśakālakriyādravyamanobuddhyādikam) - this entire reality, including space, time, action, substance, mind, and intellect (pertaining to space, time, action, substance, mind, intellect, and so on)

• तु (tu) - indeed (indeed, but, however)

• इदम् (idam) - this entire reality (this, this one, this reality)

• चिच्छिलाङ्गकम् (cicchilāṅgakam) - an unwavering body of pure consciousness (cit) (having consciousness as its rock-like body/form)

• एव (eva) - truly, indeed (indeed, only, just, alone)

• एकम् (ekam) - a single entity (one, single, unique)

• विद्धि (viddhi) - know, understand, perceive

• अनस्तमयोदयम् (anastamayodayam) - without rising or setting, eternal (without setting or rising, eternal)

Words meanings and morphology

देशकालक्रियाद्रव्यमनोबुद्ध्यादिकम् (deśakālakriyādravyamanobuddhyādikam) - this entire reality, including space, time, action, substance, mind, and intellect (pertaining to space, time, action, substance, mind, intellect, and so on)

(adjective)

Accusative, neuter, singular of deśakālakriyādravyamanobuddhyādika

deśakālakriyādravyamanobuddhyādika - beginning with space, time, action, substance, mind, intellect; etc.

A descriptive compound adjective formed by a dvandva compound followed by an adika suffix.

Compound type : dvandva-bahuvrihi (deśa+kāla+kriyā+dravya+manas+buddhi+ādika)

• deśa – place, space, region
  noun (masculine)
• kāla – time, period
  noun (masculine)
• kriyā – action, activity, rite
  noun (feminine)
  Root: kṛ (class 8)
• dravya – substance, material, object
  noun (neuter)
• manas – mind, intellect, consciousness
  noun (neuter)
• buddhi – intellect, understanding, discernment
  noun (feminine)
  Root: budh (class 1)
• ādika – beginning with, and so on, etc.
  adjective (neuter)
  Derived from `ādi` (beginning) with the suffix `ka`.

Note: Used here as an adjective modifying `idam`.

तु (tu) - indeed (indeed, but, however)

(indeclinable)

इदम् (idam) - this entire reality (this, this one, this reality)

(pronoun)

Accusative, neuter, singular of idam

idam - this, this one, the present

Note: Direct object of `viddhi` (know).

चिच्छिलाङ्गकम् (cicchilāṅgakam) - an unwavering body of pure consciousness (cit) (having consciousness as its rock-like body/form)

(adjective)

Accusative, neuter, singular of cicchilāṅgaka

cicchilāṅgaka - having the nature or form of a rock of consciousness

Compound type : bahuvrihi (cit+śilā+aṅgaka)

• cit – consciousness, pure awareness
  noun (feminine)
• śilā – rock, stone
  noun (feminine)
• aṅgaka – body, limb, part; form, nature
  noun (neuter)
  Diminutive suffix `ka` added to `aṅga`.

Note: Predicate adjective to `idam`.

एव (eva) - truly, indeed (indeed, only, just, alone)

(indeclinable)

एकम् (ekam) - a single entity (one, single, unique)

(adjective)

Accusative, neuter, singular of eka

eka - one, single, unique, sole

Note: Predicate adjective to `idam`.

विद्धि (viddhi) - know, understand, perceive

(verb)

2nd person , singular, active, imperative (lot) of vid

imperative 2nd singular

Root `vid` (class 2, 'to know') with imperative ending `hi`.

Root: vid (class 2)

अनस्तमयोदयम् (anastamayodayam) - without rising or setting, eternal (without setting or rising, eternal)

(adjective)

Accusative, neuter, singular of anastamayodaya

anastamayodaya - that which has no setting or rising; eternal

Compound type : nah-bahuvrihi (a+astamaya+udaya)

• a – not, un-
  indeclinable
• astamaya – setting, disappearance
  noun (masculine)
  Derived from `astam` (home) + root `i` (to go) or root `as` (to throw, reach) meaning to set or disappear.
  Root: i (class 2)
• udaya – rising, appearance, origin
  noun (masculine)
  Derived from root `i` (to go) with upasarga `ud`.
  Prefix: ud
  Root: i (class 2)

Note: Predicate adjective to `idam`.