Where does “invigilans” come from?

invigilans (Latin) comes from Latin invigilo, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

invigilans (Latin): staying awake, watching over

Definitions

  1. staying awake, watching over

Ancestry of “invigilans”, step by step

StepLanguageWordMeaning
1LatininvigiloI stay awake, watch over
2Latinīn-un-, non-, not
3Latinînin, at, on, upon, from (space)
4Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
5Proto-Italicenin
6Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Proto-Italic en