महाभारतः mahābhārataḥ - book-12, chapter-305, verse-21

गच्छेत्प्राप्याक्षयं कृत्स्नमजन्म शिवमव्ययम् ।
शाश्वतं स्थानमचलं दुष्प्रापमकृतात्मभिः ॥२१॥

21. gacchetprāpyākṣayaṁ kṛtsnamajanma śivamavyayam ,
śāśvataṁ sthānamacalaṁ duṣprāpamakṛtātmabhiḥ.

21. gacchet prāpya akṣayam kṛtsnam ajanmam śivam avyayam
śāśvatam sthānam acalam duṣprāpam akṛtātmabhiḥ

21. prāpya akṣayam kṛtsnam ajanmam śivam avyayam śāśvatam
acalam sthānam duṣprāpam akṛtātmabhiḥ gacchet

21. One should attain the indestructible, complete, unborn, auspicious, imperishable, eternal, immovable state, which is difficult to attain by those whose inner self (ātman) is not disciplined.

Words meanings summery:

• गच्छेत् (gacchet) - should attain (the state) (should go, should attain)

• प्राप्य (prāpya) - having obtained, having reached

• अक्षयम् (akṣayam) - indestructible, imperishable

• कृत्स्नम् (kṛtsnam) - complete, whole, entire

• अजन्मम् (ajanmam) - unborn, not subject to birth

• शिवम् (śivam) - auspicious, beneficial, blissful

• अव्ययम् (avyayam) - imperishable, unchangeable

• शाश्वतम् (śāśvatam) - eternal, perpetual, constant

• स्थानम् (sthānam) - state (of being) (place, abode, state, condition)

• अचलम् (acalam) - immovable, steady, firm

• दुष्प्रापम् (duṣprāpam) - difficult to attain, hard to obtain

• अकृतात्मभिः (akṛtātmabhiḥ) - by those whose inner self is not disciplined/purified

Words meanings and morphology

गच्छेत् (gacchet) - should attain (the state) (should go, should attain)

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of gam

Root: gam (class 1)

प्राप्य (prāpya) - having obtained, having reached

(indeclinable)

absolutive (gerund)

Derived from root āp with prefix pra-

Prefix: pra

Root: āp (class 5)

अक्षयम् (akṣayam) - indestructible, imperishable

(adjective)

Accusative, neuter, singular of akṣaya

akṣaya - indestructible, imperishable, unfading

Compound of 'a' (neg.) and 'kṣaya' (destruction)

Compound type : nañ-tatpuruṣa (a+kṣaya)

• a – not, non-, un-
  indeclinable
• kṣaya – destruction, decay, loss, decline
  noun (masculine)
  From root kṣi 'to destroy'
  Root: kṣi (class 1)

कृत्स्नम् (kṛtsnam) - complete, whole, entire

(adjective)

Accusative, neuter, singular of kṛtsna

kṛtsna - whole, complete, all, entire

अजन्मम् (ajanmam) - unborn, not subject to birth

(adjective)

Accusative, neuter, singular of ajanman

ajanman - unborn, not subject to birth

Compound of 'a' (neg.) and 'janman' (birth)

Compound type : nañ-bahuvrīhi (a+janman)

• a – not, non-, un-
  indeclinable
• janman – birth, origin, existence
  noun (neuter)
  From root jan 'to be born'
  Root: jan (class 4)

शिवम् (śivam) - auspicious, beneficial, blissful

(adjective)

Accusative, neuter, singular of śiva

śiva - auspicious, propitious, benevolent; name of a deity

अव्ययम् (avyayam) - imperishable, unchangeable

(adjective)

Accusative, neuter, singular of avyaya

avyaya - imperishable, unchangeable, indeclinable

Compound of 'a' (neg.) and 'vyaya' (decay, expense)

Compound type : nañ-tatpuruṣa (a+vyaya)

• a – not, non-, un-
  indeclinable
• vyaya – decay, decline, spending, expense
  noun (masculine)
  Prefix: vi
  Root: i (class 2)

शाश्वतम् (śāśvatam) - eternal, perpetual, constant

(adjective)

Accusative, neuter, singular of śāśvata

śāśvata - eternal, perpetual, constant, permanent

स्थानम् (sthānam) - state (of being) (place, abode, state, condition)

(noun)

Accusative, neuter, singular of sthāna

sthāna - place, abode, state, condition, position

From root sthā 'to stand'

Root: sthā (class 1)

अचलम् (acalam) - immovable, steady, firm

(adjective)

Accusative, neuter, singular of acala

acala - immovable, steady, firm

Compound of 'a' (neg.) and 'cala' (moving)

Compound type : nañ-tatpuruṣa (a+cala)

• a – not, non-, un-
  indeclinable
• cala – moving, trembling, unsteady
  adjective
  From root cal 'to move'
  Root: cal (class 1)

दुष्प्रापम् (duṣprāpam) - difficult to attain, hard to obtain

(adjective)

Accusative, neuter, singular of duṣprāpa

duṣprāpa - difficult to attain, hard to obtain

Compound of 'dus' (difficult) and 'prāpa' (attainable)

Compound type : tatpuruṣa (dus+prāpa)

• dus – bad, ill, difficult, hard (prefix)
  indeclinable
• prāpa – attainable, obtainable
  adjective
  Past Passive Participle
  Derived from root āp with prefix pra-
  Prefix: pra
  Root: āp (class 5)

अकृतात्मभिः (akṛtātmabhiḥ) - by those whose inner self is not disciplined/purified

(adjective)

Instrumental, masculine, plural of akṛtātman

akṛtātman - one whose self is not purified, undisciplined in spirit

Compound of 'a' (neg.), 'kṛta' (done/purified), and 'ātman' (self)

Compound type : nañ-bahuvrīhi (a+kṛta+ātman)

• a – not, non-, un-
  indeclinable
• kṛta – done, made, performed, purified
  adjective
  Past Passive Participle
  From root kṛ 'to do, make'
  Root: kṛ (class 8)
• ātman – self, soul, spirit, essence
  noun (masculine)