Where does “vigilous” come from?

vigilous (English) comes from English ous, from English ou, from Afrikaans ou, from Dutch oud, from Middle Dutch out, from Old Dutch ald, from Proto-West Germanic ald, from Proto-Germanic aldaz — to grow, nourish.

vigilous (English): Relating to observation or watching

Definitions

  1. Relating to observation or watching

Ancestry of “vigilous”, step by step

vigilous traces back through two separate lines of ancestry.

via English ous

StepLanguageWordMeaning
1Englishousplural of ou
2EnglishouA probably extinct species of Hawaiian...
3AfrikaansouAn old fellow, guy, bloke; attributive form of...
4Dutchoudold
5Middle Dutchoutold
6Old Dutchald
7Proto-West Germanicaldold
8Proto-Germanicaldazold, grown up
9Proto-Indo-Europeanh₂eltós
10Proto-Indo-Europeanh₂él-to grow, nourish

via English vigil

StepLanguageWordMeaning
1EnglishvigilAn instance of keeping awake during normal...
2Middle Englishvigilea devotional watching
3Old Frenchvigile
4Latinvigiliawatch, vigil; wakefulness; city guard,...
5Latinvigilawake, watching, alert; watchman, guard,...
6Proto-Indo-Europeanweǵ-lively, awake; strong
Every word from Proto-Indo-European h₂él-