रिपु

Etymology
From, from the root. Synchronically from the Sanskrit root.

The meanings “fraudulent, deceitful, treacherous, enemy” (etc.) developed figuratively from the earlier set of meanings “dirty spot, stain, filth” > “fault, impurity”; compare the related words, ,.

Noun

 * 1) deceiver, cheat, rogue
 * 2) enemy, adversary, foe

Adjective

 * 1) deceitful, treacherous
 * 2) fraudulent, false