English

hyperaction

From hyper- + action.

Proto-Indo-European *úp

Proto-Indo-European *upér ‘over, above’

Proto-Hellenic *hupér

Ancient Greek ὑπέρ ‘over’

Proto-Indo-European *h₂eǵ-

…

Latin āctus

Latin āctiō ‘act of doing or making’

Old French aucion ‘action’

Middle English accioun ‘an action’

Today it means

noun excessive action, as of a biological system

Language periods are conventional ranges, not dates for this word.

Etymograph / hyperaction