Origin of echolaliaModern Latin from echo (see echo) + -lalia, speech defect from Classical Greek lalia, speech from lalein, to talk, prattle from reduplicated, reduplication of Indo-European echoic an unverified form la- (as in Classical Latin lallare, German lallen, to lull)
Origin of echolaliaecho Greek laliā talk ( from lalos talkative )
(countable and uncountable, plural echolalias)
- (clinical psychology) The immediate, involuntary, and repetitive echoing of words or phrases spoken by another.
- An infant's repetitive imitation of vocal sounds spoken by another person, occurring naturally during childhood development.
- Any apparently meaningless, repetitious noises, especially voices.
From echo + -lalia.