Where does “aeternus” come from?

aeternus (Latin) comes from Latin aevum, from Latin aevom, from Old Latin aivom, from Proto-Italic aiwom, from Proto-Indo-European h₂eyu-, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.

aeternus (Latin): abiding, lasting, permanent, perpetual; eternal,...

Definitions

  1. abiding, lasting, permanent, perpetual; eternal,...

Ancestry of “aeternus”, step by step

StepLanguageWordMeaning
1Latinaevumtime as a single, unified, continuous and...
2LatinaevomArchaic form of aevum
3Old Latinaivomtime, lifetime; age
4Proto-Italicaiwomage
5Proto-Indo-Europeanh₂eyu-vitality; eternal; vital force, life, long life,...
6Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning

Words derived from “aeternus

Every word from Proto-Indo-European h₂ey-
aeternus — Etymology, Origin & Word History | Etymology Explorer