multiactivity

Etymology tree
Proto-Indo-European *mel-der.
Proto-Indo-European *ml̥tós?
Proto-Italic *moltos
Latin multus
Latin multīder.
Middle English multi-
English multi-
Proto-Indo-European *h₂eǵ-
Proto-Indo-European *-eti
Proto-Indo-European *h₂éǵeti
Proto-Italic *agō
Latin agō
Proto-Indo-European *-wós
Proto-Indo-European *-iHwósder.
Latin -īvus
▲
Ancient Greek ἐνεργητῐκός (energētĭkós)sl.
Latin āctīvus
Proto-Indo-European *-teh₂
Proto-Indo-European *-ts
Proto-Indo-European *-teh₂ts
Proto-Italic *-tāts
Latin -tās
Latin āctīvitāsder.
Middle French activitébor.
English activity
English multiactivity
From multi- + activity.