dharma (n.)

1796, in secular sense, "caste custom, right behavior;" in Buddhism and Hinduism, "moral law," from Sanskrit, "statute, law; right, justice," etymologically "that which is established firmly," from PIE root *dher- "to hold firmly, support." Compare cognate Latin firmus "strong; stable," figuratively "constant, trusty."

updated on January 28, 2018

Definitions of dharma from WordNet

Dharma (n.)
basic principles of the cosmos; also: an ancient sage in Hindu mythology worshipped as a god by some lower castes;
Etymologies are not definitions. From, not affiliated with etymonline.