English

invigilance

From in- + vigilance.

A compound of in- + vigilance

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in ‘into’

English in-

Latin vigilans ‘vigilant, watchful, alert’

Latin vigilantia ‘vigilance, alertness’

Middle French vigilance

Today it means

noun Lack of vigilance; neglect of watching.

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

Etymograph / invigilance