महाभारतः mahābhārataḥ - book-1, chapter-171, verse-9

प्रतिषेद्धा हि पापस्य यदा लोकेषु विद्यते ।
तदा सर्वेषु लोकेषु पापकृन्नोपपद्यते ॥९॥

9. pratiṣeddhā hi pāpasya yadā lokeṣu vidyate ,
tadā sarveṣu lokeṣu pāpakṛnnopapadyate.

9. pratiṣeddhā hi pāpasya yadā lokeṣu vidyate
tadā sarveṣu lokeṣu pāpakṛt na upapadyate

9. Indeed, when a prohibitor of evil (pāpasya) exists among people, then evil-doers (pāpakṛt) do not thrive in any of the worlds.

Words meanings summery:

• प्रतिषेद्धा (pratiṣeddhā) - a prohibitor, a preventer, one who averts

• हि (hi) - indeed, surely, because

• पापस्य (pāpasya) - of evil, of sin

• यदा (yadā) - when

• लोकेषु (lokeṣu) - in the worlds, among the people

• विद्यते (vidyate) - exists, is found, is present

• तदा (tadā) - then, at that time

• सर्वेषु (sarveṣu) - in all

• लोकेषु (lokeṣu) - in the worlds, among the people

• पापकृत् (pāpakṛt) - an evil-doer, sinner

• न (na) - not, no

• उपपद्यते (upapadyate) - is found, occurs, fits, is appropriate, thrives

Words meanings and morphology

प्रतिषेद्धा (pratiṣeddhā) - a prohibitor, a preventer, one who averts

(noun)

Nominative, masculine, singular of pratiṣeddṛ

pratiṣeddṛ - prohibitor, preventer, averter, opponent

agent noun

From root `sidh` with prefix `prati`, `tṛc` suffix.

Prefix: prati

Root: sidh (class 1)

हि (hi) - indeed, surely, because

(indeclinable)

पापस्य (pāpasya) - of evil, of sin

(noun)

Genitive, neuter, singular of pāpa

pāpa - evil, sin, vice, wicked, bad

यदा (yadā) - when

(indeclinable)

derived from the pronoun `yad`

लोकेषु (lokeṣu) - in the worlds, among the people

(noun)

Locative, masculine, plural of loka

loka - world, people, mankind, region

from `lok` (to see)

Root: lok (class 1)

विद्यते (vidyate) - exists, is found, is present

(verb)

3rd person , singular, middle, present (laṭ) of vid

From root `vid` (class 4 `vid-yā-`), intransitive usage.

Root: vid (class 4)

तदा (tadā) - then, at that time

(indeclinable)

derived from the pronoun `tad`

सर्वेषु (sarveṣu) - in all

(pronoun/adjective)

लोकेषु (lokeṣu) - in the worlds, among the people

(noun)

Locative, masculine, plural of loka

loka - world, people, mankind, region

from `lok` (to see)

Root: lok (class 1)

पापकृत् (pāpakṛt) - an evil-doer, sinner

(noun)

Nominative, masculine, singular of pāpakṛt

pāpakṛt - evil-doer, sinner, one who commits sin

`pāpa` (evil) + `kṛt` (doing, making, doer)

Compound type : tatpuruṣa (pāpa+kṛt)

• pāpa – evil, sin, wicked
  noun (neuter)
• kṛt – doing, making, doer (agent suffix)
  noun (masculine)
  agent noun suffix
  from `kṛ` (to do, make)
  Root: kṛ (class 8)

न (na) - not, no

(indeclinable)

Note: Negation particle.

उपपद्यते (upapadyate) - is found, occurs, fits, is appropriate, thrives

(verb)

3rd person , singular, middle, present (laṭ) of upapad

root `pad` with prefix `upa`

Prefix: upa

Root: pad (class 4)