- echolalia (n.)
[echolalia 词源字典]
- "meaningless repetition of words and phrases," 1876, from German (von Romberg, 1865), from Greek ekho (see echo (n.)) + lalia "talk, prattle, a speaking," from lalein "to speak, prattle," of echoic origin.[echolalia etymology, echolalia origin, 英语词源]