Latin word collega comes from Latin legere, Latin con-

Detailed word origin of collega

Dictionary entry	Language	Definition
legere	Latin (lat)
con-	Latin (lat)	Used in compounds to indicate a being or bringing together of several objects. Used in compounds to indicate the completeness, perfecting of any act, and thus gives intensity to the signification of the simple word.
collega	Latin (lat)	(by extension) associate, companion, fellow, colleague. A partner (in office), colleague.

Words with the same origin as collega