adjective/adbenˈtiθjo/
adventitious (developing in an unusual place or from an unusual source)
Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *gʷem- Proto-Indo-European *-yéti Proto-Indo-European *gʷm̥yéti Proto-Italic *gʷəniō Latin veniō Latin adveniō Proto-Indo-European *-tus Proto-Italic *-tus Latin -tus Latin adventus Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -īcus Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Latin -īcius Latin adventīciusbor. Spanish adventicio Borro