महाभारतः mahābhārataḥ - book-3, chapter-138, verse-15

यथाहं पुत्रशोकेन देहं त्यक्ष्यामि किल्बिषी ।
तथा ज्येष्ठः सुतो रैभ्यं हिंस्याच्छीघ्रमनागसम् ॥१५॥

15. yathāhaṁ putraśokena dehaṁ tyakṣyāmi kilbiṣī ,
tathā jyeṣṭhaḥ suto raibhyaṁ hiṁsyācchīghramanāgasam.

15. yathā aham putraśokena deham tyakṣyāmi kilbiṣī tathā
jyeṣṭhaḥ sutaḥ raibhyam hiṃsyāt śīghram anāgasam

15. Just as I, a sinner, will give up my body due to the sorrow over my son, so may my eldest son quickly harm the innocent Raibhya.

Words meanings summery:

• यथा (yathā) - just as (as, just as, like, in the way that)

• अहम् (aham) - I

• पुत्रशोकेन (putraśokena) - due to grief over my son (by the sorrow of a son, by son-grief)

• देहम् (deham) - my body (body)

• त्यक्ष्यामि (tyakṣyāmi) - I will abandon (I will abandon, I will give up)

• किल्बिषी (kilbiṣī) - I, a sinner (a sinner, one who has committed sin, sinful)

• तथा (tathā) - so too (so, in that manner, similarly)

• ज्येष्ठः (jyeṣṭhaḥ) - eldest (eldest, greatest, best)

• सुतः (sutaḥ) - son (son, offspring)

• रैभ्यम् (raibhyam) - Raibhya (Raibhya (a proper name))

• हिंस्यात् (hiṁsyāt) - may harm (may he harm, should he injure)

• शीघ्रम् (śīghram) - quickly (quickly, swiftly, immediately)

• अनागसम् (anāgasam) - the innocent (innocent, faultless, blameless)

Words meanings and morphology

यथा (yathā) - just as (as, just as, like, in the way that)

(indeclinable)

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

पुत्रशोकेन (putraśokena) - due to grief over my son (by the sorrow of a son, by son-grief)

(noun)

Instrumental, masculine, singular of putraśoka

putraśoka - son-grief, sorrow for a son

Compound type : tatpuruṣa (putra+śoka)

• putra – son, child
  noun (masculine)
• śoka – sorrow, grief
  noun (masculine)
  Root: śuc (class 1)

देहम् (deham) - my body (body)

(noun)

Accusative, masculine, singular of deha

deha - body

त्यक्ष्यामि (tyakṣyāmi) - I will abandon (I will abandon, I will give up)

(verb)

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

Future Tense, Parasamaipada

Root: tyaj (class 1)

किल्बिषी (kilbiṣī) - I, a sinner (a sinner, one who has committed sin, sinful)

(adjective)

Nominative, feminine, singular of kilbiṣin

kilbiṣin - sinful, a sinner

Note: Refers to the speaker (aham).

तथा (tathā) - so too (so, in that manner, similarly)

(indeclinable)

ज्येष्ठः (jyeṣṭhaḥ) - eldest (eldest, greatest, best)

(adjective)

Nominative, masculine, singular of jyeṣṭha

jyeṣṭha - eldest, greatest, best

Superlative of vṛddha (old)

सुतः (sutaḥ) - son (son, offspring)

(noun)

Nominative, masculine, singular of suta

suta - son, offspring

Past Passive Participle

from root 'sū' (to beget)

Root: sū (class 2)

Note: Often functions as a noun, but originally a PPP.

रैभ्यम् (raibhyam) - Raibhya (Raibhya (a proper name))

(proper noun)

Accusative, masculine, singular of raibhya

raibhya - Raibhya (a proper name, often of a sage)

हिंस्यात् (hiṁsyāt) - may harm (may he harm, should he injure)

(verb)

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

Optative Mood, Parasamaipada

Root: hiṃs (class 7)

शीघ्रम् (śīghram) - quickly (quickly, swiftly, immediately)

(indeclinable)

Note: Functions as an adverb here.

अनागसम् (anāgasam) - the innocent (innocent, faultless, blameless)

(adjective)

Accusative, masculine, singular of anāgas

anāgas - innocent, faultless, blameless

Negative prefix 'an' + 'āgas' (fault)

Compound type : bahuvrīhi (an+āgas)

• an – not, un-
  indeclinable
• āgas – fault, offense, sin
  noun (neuter)

Note: Qualifies Raibhya.