योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-42, verse-22

क्षेत्रं शरीरमित्याहुस्तदसौ वेत्त्यखण्डितम् ।
सबाह्याभ्यन्तरं तेन क्षेत्रज्ञ इति कथ्यते ॥ २२ ॥

kṣetraṃ śarīramityāhustadasau vettyakhaṇḍitam ,
sabāhyābhyantaraṃ tena kṣetrajña iti kathyate 22

22. kṣetram śarīram iti āhuḥ tat asau vetti akhaṇḍitam
sa-bāhya-ābhyantaram tena kṣetrajñaḥ iti kathyate

22. kṣetram śarīram iti āhuḥ asau tat akhaṇḍitam
sa-bāhya-ābhyantaram vetti tena kṣetrajñaḥ iti kathyate

22. They declare the field (kṣetra) to be the body. The knower (asau) comprehends this (body/field) in its entirety, both externally and internally; therefore, he is called the knower of the field (kṣetrajña).

Words meanings summery:

• क्षेत्रम् (kṣetram) - the field, the body

• शरीरम् (śarīram) - the body

• इति (iti) - indicates that 'śarīram' is the designation for 'kṣetram' (thus, as, indicating a designation)

• आहुः (āhuḥ) - they say, they declare, they call

• तत् (tat) - refers to the 'kṣetram' (field) or 'śarīram' (body) (that (neuter singular))

• असौ (asau) - refers to the 'kṣetrajña' (knower of the field) (this one, he)

• वेत्ति (vetti) - he knows, comprehends

• अखण्डितम् (akhaṇḍitam) - fully and completely, without any part left out (undivided, entire, unbroken)

• स-बाह्य-आभ्यन्तरम् (sa-bāhya-ābhyantaram) - includes both the outer and inner aspects of the body/field (with its exterior and interior, entirely)

• तेन (tena) - therefore, for that reason (by that, therefore, by him)

• 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, as, in this way)

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

Words meanings and morphology

क्षेत्रम् (kṣetram) - the field, the body

(noun)

Accusative, neuter, singular of kṣetra

kṣetra - field, ground, sacred space, body, region

शरीरम् (śarīram) - the body

(noun)

Accusative, neuter, singular of śarīra

śarīra - body, corporeal frame, physical form

इति (iti) - indicates that 'śarīram' is the designation for 'kṣetram' (thus, as, indicating a designation)

(indeclinable)

आहुः (āhuḥ) - they say, they declare, they call

(verb)

3rd person , plural, active, perfect (present sense) (liṭ) of ah

Irregular perfect tense form (liṭ) used with present meaning

Root: ah (class 2)

तत् (tat) - refers to the 'kṣetram' (field) or 'śarīram' (body) (that (neuter singular))

(pronoun)

Accusative, neuter, singular of tad

tad - that, this, he, she, it

असौ (asau) - refers to the 'kṣetrajña' (knower of the field) (this one, he)

(pronoun)

Nominative, masculine, singular of adas

adas - that, yonder, this, that person

वेत्ति (vetti) - he knows, comprehends

(verb)

3rd person , singular, active, present indicative (laṭ) of vid

Root vid, 2nd class, active voice

Root: vid (class 2)

अखण्डितम् (akhaṇḍitam) - fully and completely, without any part left out (undivided, entire, unbroken)

(adjective)

Accusative, neuter, singular of akhaṇḍita

akhaṇḍita - undivided, unbroken, entire, whole

Past Passive Participle (negative compound)

Derived from khaṇḍita (divided) with negative prefix 'a-'

Prefix: a

Root: khaṇḍ (class 10)

Note: Agrees with 'tat' (kṣetram/śarīram)

स-बाह्य-आभ्यन्तरम् (sa-bāhya-ābhyantaram) - includes both the outer and inner aspects of the body/field (with its exterior and interior, entirely)

(adjective)

Accusative, neuter, singular of sa-bāhya-ābhyantara

sa-bāhya-ābhyantara - including outer and inner, with exterior and interior

Compound type : Bahuvrihi (sa+bāhya+ābhyantara)

• sa – with, together with
  indeclinable
  Prefix indicating 'with' or 'including'
• bāhya – external, outer, outward
  adjective (neuter)
  Derived from bahis (outside)
• ābhyantara – internal, inner, inward
  adjective (neuter)
  Derived from abhyantara (inside)

Note: Agrees with 'tat' (kṣetram/śarīram)

तेन (tena) - therefore, for that reason (by that, therefore, by him)

(pronoun)

Instrumental, neuter, singular of tad

tad - that, this

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, as, 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)