echo

echo · noun, verb¹

1. Proto-Indo-European*sweh₂gʰ-
2. Proto-Hellenic*wākʰā́
3. Ancient Greekἠχή (ēkhḗ)
4. Ancient Greekἠχώ (ēkhṓ)
5. Latinēchō
6. Medieval Latinēccō
7. Middle Englisheccho
8. English todayecho

From Middle English eccho, ecco, echo, ekko, from Medieval Latin ēccō, from Latin ēchō, from Ancient Greek ἠχώ (ēkhṓ), from ἠχή (ēkhḗ, “sound”). Possibly from the same Proto-Indo-European root as sough.

Echo · proper noun²

1. Ancient Greek · derived fromἨχώ“sound”
2. English todayEcho

From Ancient Greek Ἠχώ (Ēkhṓ, “sound”).

Words from the same roots