autoactivation

Etymology tree Proto-Indo-European *h₂ewder.? Proto-Indo-European *sóder.? Proto-Indo-European *h₂ewder. Ancient Greek αὖ (aû) Ancient Greek τόν (tón)? Ancient Greek αὐτός (autós) Ancient Greek αὐτο- (auto-)lbor. English auto- Proto-Indo-European *h₂eǵ- Proto-Indo-European *-eti Proto-Indo-European *h₂éǵeti Proto-Italic *agō Latin agō Proto-Indo-European *-wósder. Latin -īvus ▲ Ancient Greek ἐνεργητῐκός (energētĭkós)sl. Latin āctīvusbor. Old French actifbor. Middle English actyf English active Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation ▲ English active Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātuslbor. English -ate English activate ▲ English -ation English -ion English activation English autoactivation From auto- + activation.

来源：wiktionary