महाभारतः mahābhārataḥ - book-12, chapter-115, verse-12

तादृग्जनशतस्यापि यद्ददाति जुहोति च ।
परोक्षेणापवादेन तन्नाशयति स क्षणात् ॥१२॥

12. tādṛgjanaśatasyāpi yaddadāti juhoti ca ,
parokṣeṇāpavādena tannāśayati sa kṣaṇāt.

12. tādṛgjanaśatasya api yat dadāti juhoti ca
parokṣeṇa apavādena tat nāśayati sa kṣaṇāt

12. sa (mānavaḥ) tādṛgjanaśatasya api yat dadāti ca juhoti,
tat parokṣeṇa apavādena kṣaṇāt nāśayati

12. Whatever one gives (in charity) or offers (in sacrifice) to even a hundred such people, that (merit) is instantly destroyed by them through backbiting (slander behind one's back).

Words meanings summery:

• तादृग्जनशतस्य (tādṛgjanaśatasya) - of a hundred such people

• अपि (api) - even, also, too

• यत् (yat) - whatever, which

• ददाति (dadāti) - gives (in charity) (gives, bestows)

• जुहोति (juhoti) - offers (in sacrifice) (offers, sacrifices, pours oblations)

• च (ca) - and, also

• परोक्षेण (parokṣeṇa) - through (slander) behind one's back (by absence, indirectly, behind the back)

• अपवादेन (apavādena) - by backbiting (by slander, by defamation, by accusation)

• तत् (tat) - that (merit/fruit of actions) (that, it)

• नाशयति (nāśayati) - destroys, causes to perish

• स (sa) - (the person who backbites) (he, that)

• क्षणात् (kṣaṇāt) - instantly, in a moment, from a moment

Words meanings and morphology

तादृग्जनशतस्य (tādṛgjanaśatasya) - of a hundred such people

(noun)

Genitive, neuter, singular of tādṛgjanaśata

tādṛgjanaśata - a hundred such people

Compound type : tatpuruṣa (tādṛś+jana+śata)

• tādṛś – such, like that
  adjective
• jana – person, people, creature
  noun (masculine)
  Root: jan (class 4)
• śata – hundred
  noun (neuter)

अपि (api) - even, also, too

(indeclinable)

Note: particle emphasizing 'even a hundred'

यत् (yat) - whatever, which

(pronoun)

Nominative, neuter, singular of yad

yad - who, which, what

Note: relative pronoun, referring to the merit from giving/offering

ददाति (dadāti) - gives (in charity) (gives, bestows)

(verb)

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

Root: dā (class 3)

जुहोति (juhoti) - offers (in sacrifice) (offers, sacrifices, pours oblations)

(verb)

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

Root: hu (class 3)

च (ca) - and, also

(indeclinable)

Note: conjunction 'and'

परोक्षेण (parokṣeṇa) - through (slander) behind one's back (by absence, indirectly, behind the back)

(noun)

Instrumental, neuter, singular of parokṣa

parokṣa - imperceptible, indirect, absent, behind the back

अपवादेन (apavādena) - by backbiting (by slander, by defamation, by accusation)

(noun)

Instrumental, masculine, singular of apavāda

apavāda - censure, blame, slander, accusation

prefix 'apa-' + root 'vad' (to speak)

Prefix: apa

Root: vad (class 1)

तत् (tat) - that (merit/fruit of actions) (that, it)

(pronoun)

Accusative, neuter, singular of tad

tad - that, he, she, it

Note: correlative pronoun to 'yat'

नाशयति (nāśayati) - destroys, causes to perish

(verb)

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

Causative

causative stem of root 'naś'

Root: naś (class 4)

स (sa) - (the person who backbites) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: refers to the person who slanders

क्षणात् (kṣaṇāt) - instantly, in a moment, from a moment

(noun)

Ablative, masculine, singular of kṣaṇa

kṣaṇa - moment, instant, leisure

Note: used adverbially to mean 'instantly'