महाभारतः mahābhārataḥ - book-12, chapter-294, verse-37

क्षेत्रं जानाति चाव्यक्तं क्षेत्रज्ञ इति चोच्यते ।
अव्यक्तिके पुरे शेते पुरुषश्चेति कथ्यते ॥३७॥

37. kṣetraṁ jānāti cāvyaktaṁ kṣetrajña iti cocyate ,
avyaktike pure śete puruṣaśceti kathyate.

37. kṣetram jānāti ca avyaktam kṣetrajñaḥ iti ca
ucyate avyaktike pure śete puruṣaḥ ca iti kathyate

37. kṣetram avyaktam ca jānāti kṣetrajñaḥ iti ca
ucyate puruṣaḥ ca avyaktike pure śete iti kathyate

37. The one who knows the field (kṣetra) and also the unmanifest (avyakta) is called the 'knower of the field' (kṣetrajña). And the supreme cosmic person (puruṣa) is said to dwell within the city of the unmanifest (prakṛti).

Words meanings summery:

• क्षेत्रम् (kṣetram) - the field, referring to the body or manifested nature (field, body, sacred ground, domain)

• जानाति (jānāti) - knows, understands, perceives

• च (ca) - and, also, moreover

• अव्यक्तम् (avyaktam) - the unmanifest primordial nature (prakṛti) (unmanifested, unperceived, imperceptible, primordial nature)

• क्षेत्रज्ञः (kṣetrajñaḥ) - the knower of the field (the individual soul/puruṣa) (knower of the field, the soul, the conscious principle)

• इति (iti) - thus, so, indicating direct speech or thought

• च (ca) - and, also, moreover

• उच्यते (ucyate) - is said, is called, is declared

• अव्यक्तिके (avyaktike) - in the city of the unmanifest (referring to the primordial nature's constituent elements of the body) (in the unmanifest, related to the unmanifest)

• पुरे (pure) - in the city (metaphor for the body) (in the city, in the body, in the stronghold)

• शेते (śete) - dwells (lies, rests, dwells, sleeps)

• पुरुषः (puruṣaḥ) - the supreme cosmic person (puruṣa) (man, person, male, the supreme being, the cosmic person)

• च (ca) - and, also, moreover

• इति (iti) - thus, so, indicating direct speech or thought

• कथ्यते (kathyate) - is told, is said, is declared

Words meanings and morphology

क्षेत्रम् (kṣetram) - the field, referring to the body or manifested nature (field, body, sacred ground, domain)

(noun)

neuter, singular of kṣetra

kṣetra - field, tract of land, ground, soil, place, region, sphere, source, origin, the body, the seat of life or consciousness

जानाति (jānāti) - knows, understands, perceives

(verb)

3rd person , singular, active, present (lat) of jñā

present tense, 9th class, parasmayapada

Root: jñā (class 9)

च (ca) - and, also, moreover

(indeclinable)

अव्यक्तम् (avyaktam) - the unmanifest primordial nature (prakṛti) (unmanifested, unperceived, imperceptible, primordial nature)

(adjective)

neuter, singular of avyakta

avyakta - unmanifested, unapparent, imperceptible, indistinct, primordial nature (prakṛti)

Past Passive Participle

Derived from 'vi-añj' with negative prefix 'a-'

Compound type : nañ-tatpuruṣa (a+vyakta)

• a – not, non-
  indeclinable
  Negative prefix
• vyakta – manifested, apparent, distinct
  adjective (neuter)
  Past Passive Participle
  Derived from root añj with prefix vi-
  Prefix: vi
  Root: añj (class 7)

क्षेत्रज्ञः (kṣetrajñaḥ) - the knower of the field (the individual soul/puruṣa) (knower of the field, the soul, the conscious principle)

(noun)

Nominative, masculine, singular of kṣetrajña

kṣetrajña - knower of the field, the soul, the spirit, the conscious principle

Compound of kṣetra (field) and jña (knower)

Compound type : ṣaṣṭhī-tatpuruṣa (kṣetra+jña)

• kṣetra – field, body
  noun (neuter)
• jña – knower, one who knows
  adjective (masculine)
  agent noun suffix
  Derived from root jñā
  Root: jñā (class 9)

इति (iti) - thus, so, indicating direct speech or thought

(indeclinable)

च (ca) - and, also, moreover

(indeclinable)

उच्यते (ucyate) - is said, is called, is declared

(verb)

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

present tense, 2nd class, atmanepada (passive voice)

Root: vac (class 2)

अव्यक्तिके (avyaktike) - in the city of the unmanifest (referring to the primordial nature's constituent elements of the body) (in the unmanifest, related to the unmanifest)

(adjective)

Locative, feminine, singular of avyaktika

avyaktika - related to the unmanifest, belonging to the unmanifest

Derived from avyakta with suffix -ika

पुरे (pure) - in the city (metaphor for the body) (in the city, in the body, in the stronghold)

(noun)

Locative, feminine, singular of purī

purī - city, town, stronghold, body (metaphorically)

शेते (śete) - dwells (lies, rests, dwells, sleeps)

(verb)

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

present tense, 2nd class, atmanepada

Root: śī (class 2)

पुरुषः (puruṣaḥ) - the supreme cosmic person (puruṣa) (man, person, male, the supreme being, the cosmic person)

(noun)

Nominative, masculine, singular of puruṣa

puruṣa - man, person, male, human being, the Supreme Being, the cosmic person, the conscious principle in Sāṃkhya philosophy

च (ca) - and, also, moreover

(indeclinable)

इति (iti) - thus, so, indicating direct speech or thought

(indeclinable)

कथ्यते (kathyate) - is told, is said, is declared

(verb)

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

present tense, 10th class, atmanepada (passive voice)

Root: kath (class 10)