Where does “αἰωνιολογία” come from?

αἰωνιολογία (Ancient Greek) comes from Ancient Greek αἰώνιος, from Ancient Greek αἰών, from Ancient Greek αἰϝών, from Proto-Indo-European h₂eyu-, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.

Ancestry of “αἰωνιολογία”, step by step

αἰωνιολογία traces back through two separate lines of ancestry.

via Ancient Greek αἰώνιος

StepLanguageWordMeaning
1Ancient Greekαἰώνιοςlong-lasting; lasting for an age; lasting for...
2Ancient Greekαἰώνlifetime; generation; a long period of time, eon,...
3Ancient Greekαἰϝών
4Proto-Indo-Europeanh₂eyu-vitality; eternal; vital force, life, long life,...
5Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning

via Ancient Greek λόγος

StepLanguageWordMeaning
1Ancient GreekλόγοςThat which is said: word, sentence, speech,...
2Ancient GreekλέγωI put in order, arrange, gather; I choose, count,...
3Proto-Indo-Europeanleǵ-to gather, collect, with derivatives meaning to...
Every word from Proto-Indo-European h₂ey-Every word from Proto-Indo-European h₂eyu-Every word from Ancient Greek αἰϝών