Find the word definition

Wikipedia
Unsibanbon

Unsibanbon (原始反本) is one of the main teachings of Jeung San Do. Wun(原) means "origin" or "primitive" and Shi(始) means "beginning" or "start". Ban(反) means "reverse" or "opposite" and Bon(本) means "origin" or "base". Its literal meaning is that returning to the origin.