योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-42, verse-21

विकल्पकलिताकारं देशकालक्रियास्पदम् ।
चितो रूपं महाबाहो क्षेत्रज्ञ इति कथ्यते ॥ २१ ॥

vikalpakalitākāraṃ deśakālakriyāspadam ,
cito rūpaṃ mahābāho kṣetrajña iti kathyate 21

21. vikalpa-kalita-ākāram deśa-kāla-kriyā-āspadam
citaḥ rūpam mahābāho kṣetrajñaḥ iti kathyate

21. mahābāho citaḥ rūpam vikalpa-kalita-ākāram
deśa-kāla-kriyā-āspadam kṣetrajñaḥ iti kathyate

21. O mighty-armed one, this form of consciousness (cit), which has an appearance imbued with mental constructions (vikalpa) and is the locus of space, time, and action (kriyā), is called the knower of the field (kṣetrajña).

Words meanings summery:

• विकल्प-कलित-आकारम् (vikalpa-kalita-ākāram) - whose form is permeated/created by mental constructions/options

• देश-काल-क्रिया-आस्पदम् (deśa-kāla-kriyā-āspadam) - the basis/abode of space, time, and action (kriyā)

• चितः (citaḥ) - of consciousness

• रूपम् (rūpam) - the manifested form of consciousness (form, nature, appearance)

• महाबाहो (mahābāho) - an address to a heroic figure, like Rama or Arjuna (O mighty-armed one)

• क्षेत्रज्ञः (kṣetrajñaḥ) - the individual consciousness that perceives and interacts with the body (field) (the knower of the field)

• इति (iti) - indicates that the preceding word is a designation or quoted term (thus, so, in this way)

• कथ्यते (kathyate) - it is called, it is said

Words meanings and morphology

विकल्प-कलित-आकारम् (vikalpa-kalita-ākāram) - whose form is permeated/created by mental constructions/options

(adjective)

Accusative, neuter, singular of vikalpa-kalita-ākāra

vikalpa-kalita-ākāra - having a form permeated by mental constructions; whose appearance is imagined/conceived

Compound type : Bahuvrihi (vikalpa+kalita+ākāra)

• vikalpa – mental construction, imagination, option, doubt, distinction
  noun (masculine)
  Derived from root kḷp (to arrange, form) with prefix vi-
  Prefix: vi
  Root: kḷp (class 1)
• kalita – permeated, grasped, understood, made, created, calculated
  adjective (masculine)
  Past Passive Participle
  Derived from root kal (to count, arrange, make)
  Root: kal (class 10)
• ākāra – form, shape, appearance, external aspect
  noun (masculine)
  Derived from root kṛ (to make) with prefix ā-
  Prefix: ā
  Root: kṛ (class 8)

Note: Agrees with 'rūpam'

देश-काल-क्रिया-आस्पदम् (deśa-kāla-kriyā-āspadam) - the basis/abode of space, time, and action (kriyā)

(adjective)

Accusative, neuter, singular of deśa-kāla-kriyā-āspada

deśa-kāla-kriyā-āspada - basis or locus of space, time, and action

Compound type : Tatpurusha (deśa+kāla+kriyā+āspada)

• deśa – place, region, space
  noun (masculine)
• kāla – time, period, season
  noun (masculine)
• kriyā – action, activity, performance, ritual
  noun (feminine)
  Derived from root kṛ (to do, make)
  Root: kṛ (class 8)
• āspada – basis, site, abode, object, target
  noun (neuter)

Note: Agrees with 'rūpam'

चितः (citaḥ) - of consciousness

(noun)

Genitive, feminine, singular of cit

cit - consciousness, mind, intellect, pure thought

Derived from root cit (to perceive, understand)

Root: cit (class 1)

रूपम् (rūpam) - the manifested form of consciousness (form, nature, appearance)

(noun)

Nominative, neuter, singular of rūpa

rūpa - form, shape, appearance, beauty, nature

महाबाहो (mahābāho) - an address to a heroic figure, like Rama or Arjuna (O mighty-armed one)

(noun)

Vocative, masculine, singular of mahābāhu

mahābāhu - mighty-armed, strong-armed, a hero

क्षेत्रज्ञः (kṣetrajñaḥ) - the individual consciousness that perceives and interacts with the body (field) (the knower of the field)

(noun)

Nominative, masculine, singular of kṣetrajña

kṣetrajña - knower of the field; the individual soul (puruṣa) that knows the body (kṣetra)

Derived from kṣetra (field) and jña (knower, from jñā to know)

Compound type : Tatpurusha (kṣetra+jña)

• kṣetra – field, ground, sacred space, body
  noun (neuter)
• jña – knowing, acquainted with, knower
  adjective (masculine)
  Derived from root jñā (to know)
  Root: jñā (class 9)

इति (iti) - indicates that the preceding word is a designation or quoted term (thus, so, in this way)

(indeclinable)

कथ्यते (kathyate) - it is called, it is said

(verb)

3rd person , singular, passive, present indicative (laṭ) of kath

Root kath, 10th class, used in passive voice

Root: kath (class 10)