English

hypervigilant

From hyper- + vigilant.

Proto-Indo-European *úp

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

Proto-Hellenic *hupér

Ancient Greek ὑπέρ ‘over’

French vigilant

Today it means

adj In a state of hypervigilance.

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

Etymograph / hypervigilant