Where does “vigilance” come from?

Vigilance comes from Middle French vigilance, from Latin vigilantia, a noun formation with the suffix -ia (from Ancient Greek -ία) added to Latin vigil, meaning watchful, ultimately from Proto-Indo-European weǵ-.

vigilance (English): Alert watchfulness; Close and continuous...

Definitions

  1. Alert watchfulness; Close and continuous...

Ancestry of “vigilance”, step by step

StepLanguageWordMeaning
1Middle Frenchvigilance
2Latinvigilantiavigilance, alertness; wakefulness
3Latin-iaUsed to form a feminine abstract noun, usually...
4Latin-iusforming adjectives from nouns; nominative neuter...
5Proto-Italic-jōsForms comparative adjectives
6Proto-Indo-European-yósCreates adjectives from noun or verb stems

Words derived from “vigilance

Every word from Proto-Indo-European -yósEvery word from Latin -iaEvery word from Latin -ius
vigilance — Etymology, Origin & Word History | Etymology Explorer