Meaning

noun the repetition of a sound resulting from reflection of the sound waves

noun (Greek mythology) a nymph who was spurned by Narcissus and pined away until only her voice remained

noun a reply that repeats what has just been said

originEtymology tree Proto-Indo-European *sweh₂gʰ-der. Proto-Hellenic *wākʰā́ Ancient Greek ἠχή (ēkhḗ) Proto-Indo-European *-ṓy Ancient Greek -ώ (-ṓ) Ancient Greek ἠχώ (ēkhṓ)bor. Latin ēchō Medieval Latin ēccōbor. Middle English eccho English echo From Middle English eccho, ecco, echo, ekko, from Medieval Latin ēccō, from Latin ēchō, from Ancient Greek ἠχώ (ēkhṓ), from ἠχή (ēkhḗ, “sound”). Possibly…

Etymology from Wiktionary, CC BY-SA 3.0