Where does “Echo” come from?

Echo (Translingual) comes from English Echo, from Middle English ecco, from Medieval Latin ecco, from Latin echo, from Ancient Greek Ἠχώ, from Ancient Greek ἠχή, from Proto-Hellenic *wākʰā́.

Echo (Translingual): Signal flag for the letter E

Definitions

Signal flag for the letter E

Ancestry of “Echo”, step by step

Step	Language	Word	Meaning
1	English	Echo	An oread, punished by Hera by losing her own voice and only being able to mimic that of others
2	Middle English	ecco	Alternative form of eccho
3	Medieval Latin	ecco	—
4	Latin	echo	echo
5	Ancient Greek	Ἠχώ	sound; a nymph in Greek mythology
6	Ancient Greek	ἠχή	sound, noise
7	Proto-Hellenic	*wākʰā́	—

Every word from Proto-Hellenic *wākʰā́ →Every word from Ancient Greek ἠχή →Every word from Ancient Greek Ἠχώ →