Where does “vigilancy” come from?

vigilancy (English) comes from Latin vigilantia, from Latin -ia, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

vigilancy (English): Vigilance

Definitions

  1. Vigilance

Ancestry of “vigilancy”, step by step

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