Event
mid 16th century (originally in the sense ‘outcome, result’): from Latin eventus, from evenire ‘result, happen’, from e- (variant of ex- ) ‘out of’ + venire ‘come’.
wiktionary
From Middle French event, from Latin ēventus(“an event, occurrence”), from ēveniō(“to happen, to fall out, to come out”), from ē(“out of, from”), short form of ex + veniō(“come”); related to venture, advent, convent, invent, convene, evene, etc.
From French éventer.
etymonline
event (n.)
1570s, "the consequence of anything" (as in in the event that); 1580s, "that which happens;" from French event, from Latin eventus "occurrence, accident, event, fortune, fate, lot, issue," from past participle stem of evenire "to come out, happen, result," from assimilated form of ex- "out" (see ex-) + venire "to come" (from a suffixed form of PIE root *gwa- "to go, come"). Meaning "a contest or single proceeding in a public sport" is from 1865. Events as "the course of events" is attested from 1842. Event horizon in astrophysics is from 1969.
