autoactivity

English

Etymology

Etymology tree

Proto-Indo-European *h₂ew

Proto-Indo-European *tó-

Proto-Hellenic *autós

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 *-wós

Proto-Indo-European *-iHwósder.

Latin -īvus

▲

Ancient Greek ἐνεργητικός (energētikós)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 autoactivity

From auto- + activity.

Noun

autoactivity (uncountable)

1. (immunology) Synonym of autoreactivity.