Where does “echò” come from?

echò (Kashubian) comes from Polish echo, from Latin echo, from Ancient Greek Ἠχώ, from Ancient Greek ἠχή, from Proto-Hellenic *wākʰā́.

Ancestry of “echò”, step by step

StepLanguageWordMeaning
1Polishechoecho
2Latinechoecho
3Ancient GreekἨχώsound; a nymph in Greek mythology
4Ancient Greekἠχήsound, noise
5Proto-Hellenic*wākʰā́—
Every word from Proto-Hellenic *wākʰā́ →Every word from Ancient Greek ἠχή →Every word from Ancient Greek Ἠχώ →