名詞 echolalia:

1. an infant's repetition of sounds uttered by others
2. (psychiatry) mechanical and meaningless repetition of the words of another person (as in schizophrenia)

ech.o.la.li.a

n.（名詞）
Psychiatry The immediate and involuntary repetition of words or phrases just spoken by others, often a symptom of autism or some types of schizophrenia.
【精神病學(xué)】 言語模仿癥：立即且不自覺地重復(fù)別人剛剛說過的詞或短語，常為孤獨癥或某些精神分裂癥的癥狀
An infant`s repetition of the sounds made by others, a normal occurrence in childhood development.
幼兒學(xué)語：嬰兒重復(fù)別人發(fā)出的聲音，是幼兒成長過程中的正?，F(xiàn)象

來源：
echo
echo
Greek lalia [talk] from lalos [talkative]
希臘語 lalia [談話] 源自 lalos [健談的]

【引伸】
ech.ola.lic