महाभारतः mahābhārataḥ - book-12, chapter-234, verse-4

लोकवृत्तान्ततत्त्वज्ञः पूतोऽहं गुरुशासनात् ।
कृत्वा बुद्धिं वियुक्तात्मा त्यक्ष्याम्यात्मानमव्यथः ॥४॥

4. lokavṛttāntatattvajñaḥ pūto'haṁ guruśāsanāt ,
kṛtvā buddhiṁ viyuktātmā tyakṣyāmyātmānamavyathaḥ.

4. loka-vṛttānta-tattva-jñaḥ pūtaḥ aham guru-śāsanāt
kṛtvā buddhim viyuktātmā tyakṣyāmi ātmānam avyathaḥ

4. aham loka-vṛttānta-tattva-jñaḥ guru-śāsanāt pūtaḥ
buddhim kṛtvā viyuktātmā avyathaḥ ātmānam tyakṣyāmi

4. Purified by the instruction of my teacher (guru), I am now a knower of the truth regarding worldly affairs. Having made my intellect (buddhi) detached, I, whose inner self (ātman) is unattached, will renounce myself (ātman) without suffering.

Words meanings summery:

• लोकवृत्तान्ततत्त्वज्ञः (lokavṛttāntatattvajñaḥ) - knower of the truth of worldly affairs/events

• पूतः (pūtaḥ) - purified, clean, holy

• अहम् (aham) - I

• गुरुशासनात् (guruśāsanāt) - from the instruction of the teacher (guru), by the command of the guru

• कृत्वा (kṛtvā) - having done, having made, having performed

• बुद्धिम् (buddhim) - intellect, understanding, mind (buddhi)

• वियुक्तात्मा (viyuktātmā) - one whose self (ātman) is detached, having a detached self

• त्यक्ष्यामि (tyakṣyāmi) - I will abandon, I will renounce

• आत्मानम् (ātmānam) - myself, the self (ātman)

• अव्यथः (avyathaḥ) - without suffering, fearless, undisturbed

Words meanings and morphology

लोकवृत्तान्ततत्त्वज्ञः (lokavṛttāntatattvajñaḥ) - knower of the truth of worldly affairs/events

(adjective)

Nominative, masculine, singular of lokavṛttāntatattvajña

lokavṛttāntatattvajña - one who knows the truth of worldly events

Compound type : Tatpuruṣa (loka+vṛttānta+tattva+jña)

• loka – world, people, space
  noun (masculine)
• vṛttānta – event, news, affair, story
  noun (masculine)
  Root: vṛt (class 1)
• tattva – truth, reality, essence, principle
  noun (neuter)
• jña – knowing, knower of
  adjective (masculine)
  Derived from root 'jñā' (to know)
  Root: jñā (class 9)

पूतः (pūtaḥ) - purified, clean, holy

(adjective)

Nominative, masculine, singular of pūta

pūta - purified, clean, pure, holy

Past Passive Participle

From root 'pū' (to purify)

Root: pū (class 1)

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

गुरुशासनात् (guruśāsanāt) - from the instruction of the teacher (guru), by the command of the guru

(noun)

Ablative, neuter, singular of guruśāsana

guruśāsana - instruction of the teacher, command of the guru

Compound type : Tatpuruṣa (guru+śāsana)

• guru – teacher, preceptor, heavy, venerable (guru)
  noun (masculine)
• śāsana – instruction, command, ruling, teaching
  noun (neuter)
  From root 'śās' (to teach, to command)
  Root: śās (class 2)

कृत्वा (kṛtvā) - having done, having made, having performed

(indeclinable)

Absolutive (Gerund)

Absolutive suffix -tvā added to root 'kṛ'

Root: kṛ (class 8)

बुद्धिम् (buddhim) - intellect, understanding, mind (buddhi)

(noun)

Accusative, feminine, singular of buddhi

buddhi - intellect, understanding, perception, mind (buddhi)

From root 'budh' (to know, to awaken)

Root: budh (class 1)

वियुक्तात्मा (viyuktātmā) - one whose self (ātman) is detached, having a detached self

(adjective)

Nominative, masculine, singular of viyuktātman

viyuktātman - one whose self is separated or detached

Compound type : Bahuvrīhi (viyukta+ātman)

• viyukta – detached, separated, disjoined
  adjective (masculine)
  Past Passive Participle
  From root 'yuj' (to join) with prefix 'vi'
  Prefix: vi
  Root: yuj (class 7)
• ātman – self, soul, spirit, essence (ātman)
  noun (masculine)

त्यक्ष्यामि (tyakṣyāmi) - I will abandon, I will renounce

(verb)

1st person , singular, active, future indicative (lṛṭ) of tyaj

Root: tyaj (class 1)

आत्मानम् (ātmānam) - myself, the self (ātman)

(noun)

Accusative, masculine, singular of ātman

ātman - self, soul, spirit, essence (ātman)

अव्यथः (avyathaḥ) - without suffering, fearless, undisturbed

(adjective)

Nominative, masculine, singular of avyatha

avyatha - not agitated, not suffering, fearless

Compound type : Nān-tatpuruṣa (a+vyatha)

• a – not, without, un-
  indeclinable
  Negative prefix
• vyatha – suffering, pain, distress, agitation
  noun (masculine)
  From root 'vyath' (to be agitated)
  Root: vyath (class 1)