महाभारतः mahābhārataḥ - book-6, chapter-40, verse-49

असक्तबुद्धिः सर्वत्र जितात्मा विगतस्पृहः ।
नैष्कर्म्यसिद्धिं परमां संन्यासेनाधिगच्छति ॥४९॥

49. asaktabuddhiḥ sarvatra jitātmā vigataspṛhaḥ ,
naiṣkarmyasiddhiṁ paramāṁ saṁnyāsenādhigacchati.

49. asaktabuddhiḥ sarvatra jitātmā vigataspṛhaḥ
naiṣkarmyasiddhim paramām saṃnyāsena adhigacchati

49. sarvatra asaktabuddhiḥ jitātmā vigataspṛhaḥ
saṃnyāsena paramām naiṣkarmyasiddhim adhigacchati

49. One whose intellect is unattached to anything, who has conquered their self (ātman), and who is free from all longing, attains the supreme perfection of actionlessness (naiṣkarmyasiddhi) through renunciation (saṃnyāsa).

Words meanings summery:

• असक्तबुद्धिः (asaktabuddhiḥ) - one whose intellect is unattached, unattached intellect

• सर्वत्र (sarvatra) - everywhere, in all things, in all respects

• जितात्मा (jitātmā) - one who has conquered their self, having a conquered self

• विगतस्पृहः (vigataspṛhaḥ) - one who has gone beyond desire, desireless, free from longing

• नैष्कर्म्यसिद्धिम् (naiṣkarmyasiddhim) - the perfection of non-action, attainment of actionlessness

• परमाम् (paramām) - supreme, highest, ultimate

• संन्यासेन (saṁnyāsena) - by renunciation, by asceticism

• अधिगच्छति (adhigacchati) - attains, reaches, obtains

Words meanings and morphology

असक्तबुद्धिः (asaktabuddhiḥ) - one whose intellect is unattached, unattached intellect

(adjective)

Nominative, masculine, singular of asaktabuddhi

asaktabuddhi - one whose intellect is unattached

Compound type : bahuvrīhi (a+sakta+buddhi)

• a – not, non
  indeclinable
  negative prefix
• sakta – attached, devoted to
  adjective (masculine)
  Past Passive Participle
  from root √sañj (to cling, be attached)
  Root: sañj (class 7)
• buddhi – intellect, understanding, discernment
  noun (feminine)

सर्वत्र (sarvatra) - everywhere, in all things, in all respects

(indeclinable)

derived from sarva (all) + trā suffix

जितात्मा (jitātmā) - one who has conquered their self, having a conquered self

(adjective)

Nominative, masculine, singular of jitātman

jitātman - one who has conquered their self (ātman)

Compound type : bahuvrīhi (jita+ātman)

• jita – conquered, subdued
  adjective (masculine)
  Past Passive Participle
  from root √ji (to conquer)
  Root: ji (class 1)
• ātman – self, soul, spirit, essence
  noun (masculine)

विगतस्पृहः (vigataspṛhaḥ) - one who has gone beyond desire, desireless, free from longing

(adjective)

Nominative, masculine, singular of vigataspṛha

vigataspṛha - free from longing/desire

Compound type : bahuvrīhi (vigata+spṛhā)

• vigata – gone away, departed, free from
  adjective (masculine)
  Past Passive Participle
  from root √gam (to go) with prefix vi
  Prefix: vi
  Root: gam (class 1)
• spṛhā – desire, longing, eagerness
  noun (feminine)

नैष्कर्म्यसिद्धिम् (naiṣkarmyasiddhim) - the perfection of non-action, attainment of actionlessness

(noun)

Accusative, feminine, singular of naiṣkarmyasiddhi

naiṣkarmyasiddhi - perfection of actionlessness, liberation from karma (karma)

Compound type : tatpuruṣa (naiṣkarmya+siddhi)

• naiṣkarmya – actionlessness, freedom from actions (karma)
  noun (neuter)
  derived from niṣkarma
• siddhi – perfection, attainment, success
  noun (feminine)

परमाम् (paramām) - supreme, highest, ultimate

(adjective)

Accusative, feminine, singular of paramā

parama - supreme, highest, ultimate

संन्यासेन (saṁnyāsena) - by renunciation, by asceticism

(noun)

Instrumental, masculine, singular of saṃnyāsa

saṁnyāsa - renunciation, asceticism, giving up

from √as with prefixes sam and ni

Prefixes: sam+ni

Root: as (class 4)

अधिगच्छति (adhigacchati) - attains, reaches, obtains

(verb)

3rd person , singular, active, present (laṭ) of adhigam

Prefix: adhi

Root: gam (class 1)