origin (n.) Look up origin at Dictionary.com
c. 1400, "ancestry, race," from Old French origine "origin, race," and directly from Latin originem (nominative origo) "a rise, commencement, beginning, source; descent, lineage, birth," from stem of oriri "arise, rise, get up; appear above the horizon, become visible; be born, be descended, receive life;" figuratively "come forth, take origin, proceed, start" (of rivers, rumors, etc.), from PIE root *ergh- "to rise, mount" (see orchestra).