Where does “Ἐχίων” come from?

Ἐχίων (Ancient Greek) comes from Ancient Greek -ίων, from Proto-Hellenic -ihō, from Proto-Indo-European -isō, from Proto-Indo-European -yōs, from Proto-Indo-European -yoss.

Ancestry of “Ἐχίων”, step by step

StepLanguageWordMeaning
1Ancient Greek-ίωνSuffix added to father's name that forms...
2Proto-Hellenic-ihō—
3Proto-Indo-European-isō—
4Proto-Indo-European-yōsForms adjectives from roots, meaning "very" or...
5Proto-Indo-European-yoss—
Every word from Proto-Indo-European -yoss →Every word from Ancient Greek -ίων →Every word from Proto-Indo-European -yōs →