महाभारतः mahābhārataḥ - book-3, chapter-81, verse-112

ऋषिरुवाच ।
त्वत्प्रसादान्महादेव तपो मे न क्षरेत वै ॥११२॥

112. ṛṣiruvāca ,
tvatprasādānmahādeva tapo me na kṣareta vai.

112. ṛṣiḥ uvāca | tvat prasādāt
mahādeva tapaḥ me na kṣareta vai

112. The sage said, "O great God, by your grace, may my austerity (tapas) certainly not diminish."

Words meanings summery:

• ऋषिः (ṛṣiḥ) - a sage, a seer

• उवाच (uvāca) - he said, spoke

• त्वत् (tvat) - your, from you

• प्रसादात् (prasādāt) - due to grace, by favor

• महादेव (mahādeva) - O Shiva (O Great God)

• तपः (tapaḥ) - austerity, spiritual endeavor

• मे (me) - my, to me

• न (na) - not

• क्षरेत (kṣareta) - may diminish, may waste away

• वै (vai) - indeed, certainly

Words meanings and morphology

ऋषिः (ṛṣiḥ) - a sage, a seer

(noun)

Nominative, masculine, singular of ṛṣi

ṛṣi - a sage, a seer, a Vedic poet

Root: ṛṣ (class 1)

उवाच (uvāca) - he said, spoke

(verb)

3rd person , singular, active, past perfect (liṭ) of vac

perfect active

Irregular perfect of √vac

Root: vac (class 2)

त्वत् (tvat) - your, from you

(pronoun)

Ablative, singular of yuṣmad

yuṣmad - you, your

Ablative singular of yuṣmad, but here referring to the source of grace (by your grace)

प्रसादात् (prasādāt) - due to grace, by favor

(noun)

Ablative, masculine, singular of prasāda

prasāda - grace, favor, blessing, serenity

Derived from pra-√sad

Prefix: pra

Root: sad (class 1)

महादेव (mahādeva) - O Shiva (O Great God)

(proper noun)

Vocative, masculine, singular of mahādeva

mahādeva - great god, a name for Shiva

Vocative singular of mahādeva

Compound type : karmadhāraya (mahā+deva)

• mahā – great, large
  adjective
• deva – god, deity, divine
  noun (masculine)
  Root: div (class 4)

तपः (tapaḥ) - austerity, spiritual endeavor

(noun)

Nominative, neuter, singular of tapas

tapas - austerity, penance, spiritual discipline, heat

Nominative singular of tapas (neuter s-stem)

Root: tap (class 1)

मे (me) - my, to me

(pronoun)

Genitive, singular of asmad

asmad - I, me, my

Genitive/Dative singular of asmad, here possessive

न (na) - not

(indeclinable)

क्षरेत (kṣareta) - may diminish, may waste away

(verb)

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

optative

3rd person singular optative of √kṣar

Root: kṣar (class 1)

वै (vai) - indeed, certainly

(indeclinable)