echolalia

英 [,ekəʊ'leɪlɪə] 美 [,ɛko'lelɪə]
  • n. [医] 模仿言语
echolalia
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英语词源

echolalia (n.)
"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.