underactivity

English

Etymology

Etymology tree

Proto-Indo-European *h₁én

Proto-Indo-European *-tér

Proto-Indo-European *h₁entér

Proto-Indo-European *h₂én

Proto-Indo-European *-dʰi

?

Proto-Indo-European *(H)n̥dʰí

Proto-Indo-European *-ér

Proto-Indo-European *(H)n̥dʰér

Proto-Germanic *under

Proto-West Germanic *undar

Old English under-

Middle English under-

English under-

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 underactivity

From under- + activity.

Pronunciation

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Noun

underactivity (uncountable)

1. insufficient activity

Antonyms

• overactivity