Where does “ab aeterno” come from?

ab aeterno (Latin) comes from Latin aeternus, 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.

ab aeterno (Latin): Since a very long time ago

Definitions

  1. Since a very long time ago

Ancestry of “ab aeterno”, step by step

ab aeterno traces back through two separate lines of ancestry.

via Latin aeternus

StepLanguageWordMeaning
1Latinaeternusabiding, lasting, permanent, perpetual; eternal,...
2Latinaevumtime as a single, unified, continuous and...
3LatinaevomArchaic form of aevum
4Old Latinaivomtime, lifetime; age
5Proto-Italicaiwomage
6Proto-Indo-Europeanh₂eyu-vitality; eternal; vital force, life, long life,...
7Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning

via Latin āb

StepLanguageWordMeaning
1Latinābfrom, away from, out of
2Proto-Germanic*ab
3Proto-Indo-Europeanapó
Every word from Proto-Indo-European h₂ey-Every word from Proto-Indo-European h₂eyu-Every word from Proto-Italic aiwom