The only free and comprehensive online etymological dictionary of the Spanish language
género m. (Noun) "kind," "genus"
14th cent. From Latin genus 'id.' From Proto-Italic *gen- "race," "offspring." From Proto-Indo-European *ǵenh1- 'id.,' but likely originally a verb "to birth." See also gente, germen.
Indo-European
Romance
Portuguese gênero, French genre, Italian genere, Romanian gen
Celtic
Gaulish Cintu-genus "firstborn," Old Irish Éogan, 2nd or 3rd cent. king of Munster, Old Welsh Morgen "sea-born," not related to the modern Welsh name Morgan, from Old Welsh Morcanth, Old Breton gen "race"
Hellenic
Ancient Greek γένος (génos) "race"
Armenian
Armenian cin "birth"
Indo-Iranian
Sanskrit jánas- "race"