महाभारतः mahābhārataḥ - book-12, chapter-330, verse-57

यदक्षरमथाव्यक्तमीशं लोकस्य भावनम् ।
कूटस्थं कर्तृनिर्द्वंद्वमकर्तेति च यं विदुः ॥५७॥

57. yadakṣaramathāvyaktamīśaṁ lokasya bhāvanam ,
kūṭasthaṁ kartṛnirdvaṁdvamakarteti ca yaṁ viduḥ.

57. yat akṣaram atha avyaktam īśam lokasya bhāvanam
kūṭastham kartṛnirdvandvam akartā iti ca yam viduḥ

57. They know Him as the imperishable, the unmanifest, the Lord and sustainer of the world, immutable, a doer free from the pairs of opposites, and yet also as a non-doer.

Words meanings summery:

• यत् (yat) - which, that, who

• अक्षरम् (akṣaram) - the imperishable, indestructible one

• अथ (atha) - then, moreover, and

• अव्यक्तम् (avyaktam) - the unmanifest, unexpressed

• ईशम् (īśam) - the Lord, master, ruler

• लोकस्य (lokasya) - of the world, of the people

• भावनम् (bhāvanam) - the sustainer, creator, cause

• कूटस्थम् (kūṭastham) - immutable, unchanging, firmly established

• कर्तृनिर्द्वन्द्वम् (kartṛnirdvandvam) - the doer free from dualities

• अकर्ता (akartā) - non-doer

• इति (iti) - thus, so, indicates direct speech or a conclusion

• च (ca) - and, also

• यम् (yam) - whom

• विदुः (viduḥ) - they know, understand

Words meanings and morphology

यत् (yat) - which, that, who

(pronoun)

Nominative, neuter, singular of yat

yat - which, that, who, what

अक्षरम् (akṣaram) - the imperishable, indestructible one

(noun)

Nominative, neuter, singular of akṣara

akṣara - imperishable, indestructible, letter, syllable, ultimate reality (brahman)

Formed with negative prefix 'a-' and root 'kṣar' (to flow, to perish).

Prefix: a

Root: kṣar (class 1)

अथ (atha) - then, moreover, and

(indeclinable)

अव्यक्तम् (avyaktam) - the unmanifest, unexpressed

(adjective)

Nominative, neuter, singular of avyakta

avyakta - unmanifest, invisible, indistinct, unexpressed, primordial matter (prakṛti)

Past Passive Participle

Past Passive Participle of 'vi-añj' with negative prefix 'a-'.

Prefixes: a+vi

Root: añj (class 7)

ईशम् (īśam) - the Lord, master, ruler

(noun)

Accusative, masculine, singular of īśa

īśa - lord, master, ruler, Shiva

Root: īś (class 2)

लोकस्य (lokasya) - of the world, of the people

(noun)

Genitive, masculine, singular of loka

loka - world, universe, people, community

Root: lok (class 1)

भावनम् (bhāvanam) - the sustainer, creator, cause

(noun)

Nominative, neuter, singular of bhāvana

bhāvana - causing to be, producing, conceiving, sustaining, imagination, meditation

Derived from the causative of root 'bhū' (to be, to exist).

Root: bhū (class 1)

कूटस्थम् (kūṭastham) - immutable, unchanging, firmly established

(adjective)

Accusative, neuter, singular of kūṭastha

kūṭastha - standing on a peak, immutable, unchanging, firmly established, remaining indifferent

Compound type : tatpuruṣa (kūṭa+stha)

• kūṭa – summit, peak, mass, heap, illusion, deception
  noun (masculine)
• stha – standing, abiding, situated in
  adjective (masculine)
  Derived from root 'sthā' (to stand).
  Root: sthā (class 1)

कर्तृनिर्द्वन्द्वम् (kartṛnirdvandvam) - the doer free from dualities

(adjective)

Accusative, neuter, singular of kartṛnirdvandva

kartṛnirdvandva - a doer free from the pairs of opposites (dvandvas)

Compound type : bahuvrihi (kartṛ+nirdvandva)

• kartṛ – doer, maker, agent
  noun (masculine)
  Derived from root 'kṛ' with agent suffix '-tṛ'.
  Root: kṛ (class 8)
• nirdvandva – free from dualities, free from pairs of opposites, tranquil
  adjective (masculine)
  Formed with negative prefix 'nir-' and 'dvandva'.
  Prefix: nir

अकर्ता (akartā) - non-doer

(noun)

Nominative, masculine, singular of akartṛ

akartṛ - non-doer, inactive, not an agent

Formed with negative prefix 'a-' and 'kartṛ' (doer).

Prefix: a

Root: kṛ (class 8)

इति (iti) - thus, so, indicates direct speech or a conclusion

(indeclinable)

च (ca) - and, also

(indeclinable)

यम् (yam) - whom

(pronoun)

Accusative, masculine, singular of yad

yad - who, which, what

विदुः (viduḥ) - they know, understand

(verb)

3rd person , plural, active, present (laṭ) of vid

Root: vid (class 2)