Italian word collega comes from Latin con-, Latin legere

Detailed word origin of collega

Dictionary entry	Language	Definition
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.
legere	Latin (lat)
collega	Latin (lat)	(by extension) associate, companion, fellow, colleague. A partner (in office), colleague.
collega	Italian (ita)	Second-person singular imperative of collegare Colleague.

Words with the same origin as collega