Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

ēcho, ūs, f., = ἠχώ, repercussion of sound, echo (pure Lat. imago), Plin. 36, 15, 24, § 100; Pers. 1, 102; Aus. Mos. 297; id. Ep. 10, 23; 25, 68; Vulg. Sap. 17, 18.
Personified as a nymph, Ov. M. 3, 358 sq.; Aus. Epigr. 11, 7; 99, 1.