Where does “ἀΐδιος” come from?

ἀΐδιος (Ancient Greek) comes from Ancient Greek ἀεί, from Proto-Hellenic aiweí, from Proto-Indo-European h₂eyu-, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.

ἀΐδιος (Ancient Greek): timeless, eternal; existing always, without beginning or end; not subject to generation or decay

Definitions

  1. timeless, eternal; existing always, without beginning or end; not subject to generation or decay

Ancestry of “ἀΐδιος”, step by step

StepLanguageWordMeaning
1Ancient Greekἀείalways, ever, forever
2Proto-Hellenicaiweí
3Proto-Indo-Europeanh₂eyu-vitality; eternal; vital force, life, long life,...
4Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning
Every word from Proto-Indo-European h₂ey-Every word from Proto-Indo-European h₂eyu-Every word from Proto-Hellenic aiweí