महाभारतः mahābhārataḥ - book-12, chapter-295, verse-16

गुणा गुणेषु लीयन्ते तदैका प्रकृतिर्भवेत् ।
क्षेत्रज्ञोऽपि यदा तात तत्क्षेत्रे संप्रलीयते ॥१६॥

16. guṇā guṇeṣu līyante tadaikā prakṛtirbhavet ,
kṣetrajño'pi yadā tāta tatkṣetre saṁpralīyate.

16. guṇāḥ guṇeṣu līyante tadā ekā prakṛtiḥ bhavet
kṣetrajñaḥ api yadā tāta tat kṣetre saṃpralīyate

16. tāta,
yadā guṇāḥ guṇeṣu līyante,
tadā ekā prakṛtiḥ bhavet,
api ca yadā kṣetrajñaḥ tat kṣetre saṃpralīyate

16. When the qualities (guṇas) are absorbed into other qualities, and then a singular nature (prakṛti) arises; and also, O dear one, when the knower of the field (kṣetrajña) is completely absorbed into that very field (kṣetra)...

Words meanings summery:

• गुणाः (guṇāḥ) - the three constituents of nature (sattva, rajas, tamas) (qualities, attributes, constituents)

• गुणेषु (guṇeṣu) - into the other constituents of nature (in the qualities, among the qualities, into the qualities)

• लीयन्ते (līyante) - they merge or are absorbed into each other (they are dissolved, they are absorbed, they merge)

• तदा (tadā) - then, at that time

• एका (ekā) - a singular, undifferentiated nature (one, singular, unified)

• प्रकृतिः (prakṛtiḥ) - primordial nature (prakṛti), the material cause of the universe (nature, primary matter, origin, fundamental principle)

• भवेत् (bhavet) - arises, manifests (may be, should be, becomes, arises)

• क्षेत्रज्ञः (kṣetrajñaḥ) - the individual soul or consciousness (puruṣa) that knows the body/field (knower of the field, soul, spirit)

• अपि (api) - even (also, even, too)

• यदा (yadā) - when, at which time

• तात (tāta) - O dear one (addressing a pupil or son) (O dear one, O father, O child)

• तत् (tat) - that particular, referring to the kṣetra mentioned earlier (that, that one)

• क्षेत्रे (kṣetre) - in that field (which is the body and its modifications) (in the field, in the body)

• संप्रलीयते (saṁpralīyate) - is completely absorbed into the field (kṣetra) (is completely dissolved, is fully absorbed, merges entirely)

Words meanings and morphology

गुणाः (guṇāḥ) - the three constituents of nature (sattva, rajas, tamas) (qualities, attributes, constituents)

(noun)

Nominative, masculine, plural of guṇa

guṇa - quality, attribute, constituent, thread, strand

गुणेषु (guṇeṣu) - into the other constituents of nature (in the qualities, among the qualities, into the qualities)

(noun)

Locative, masculine, plural of guṇa

guṇa - quality, attribute, constituent, thread, strand

लीयन्ते (līyante) - they merge or are absorbed into each other (they are dissolved, they are absorbed, they merge)

(verb)

3rd person , plural, middle, present (laṭ) of lī

Present Middle

From root √lī (4th class, Ātmanepada)

Root: lī (class 4)

Note: Passive sense 'are dissolved' or middle sense 'dissolve themselves'.

तदा (tadā) - then, at that time

(indeclinable)

Indeclinable adverb formed from pronominal base tad.

एका (ekā) - a singular, undifferentiated nature (one, singular, unified)

(adjective)

Nominative, feminine, singular of eka

eka - one, single, unique

प्रकृतिः (prakṛtiḥ) - primordial nature (prakṛti), the material cause of the universe (nature, primary matter, origin, fundamental principle)

(noun)

Nominative, feminine, singular of prakṛti

prakṛti - nature, primary matter, origin, fundamental principle, disposition

From pra- + √kṛ (to make, do).

Prefix: pra

Root: kṛ (class 8)

भवेत् (bhavet) - arises, manifests (may be, should be, becomes, arises)

(verb)

3rd person , singular, active, optative (vidhiliṅ) of bhū

Optative

From root √bhū (1st class, Parasmaipada)

Root: bhū (class 1)

क्षेत्रज्ञः (kṣetrajñaḥ) - the individual soul or consciousness (puruṣa) that knows the body/field (knower of the field, soul, spirit)

(noun)

Nominative, masculine, singular of kṣetrajña

kṣetrajña - knower of the field, soul, spirit, the individual self

Compound of kṣetra (field) and jña (knower).

Compound type : tatpuruṣa (kṣetra+jña)

• kṣetra – field, body, sacred place, abode
  noun (neuter)
• jña – knower, understanding
  noun (masculine)
  From root √jñā (to know).
  Root: jñā (class 9)

अपि (api) - even (also, even, too)

(indeclinable)

यदा (yadā) - when, at which time

(indeclinable)

Indeclinable adverb formed from pronominal base yad.

तात (tāta) - O dear one (addressing a pupil or son) (O dear one, O father, O child)

(noun)

Vocative, masculine, singular of tāta

tāta - father, son, dear one (term of endearment)

Vocative form.

तत् (tat) - that particular, referring to the kṣetra mentioned earlier (that, that one)

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

Nominative/Accusative singular neuter of tad.

Note: Can be nominative or accusative, here it's an adjective to 'kṣetre'.

क्षेत्रे (kṣetre) - in that field (which is the body and its modifications) (in the field, in the body)

(noun)

Locative, neuter, singular of kṣetra

kṣetra - field, body, sacred place, abode

संप्रलीयते (saṁpralīyate) - is completely absorbed into the field (kṣetra) (is completely dissolved, is fully absorbed, merges entirely)

(verb)

3rd person , singular, middle, present (laṭ) of saṃpralī

Present Middle

From root √lī with upasargas sam- and pra-.

Prefixes: sam+pra

Root: lī (class 4)