Echolalia
WordNet
noun
(1) (psychiatry) mechanical and meaningless repetition of the words of another person (as in schizophrenia)
(2) An infant's repetition of sounds uttered by others
WiktionaryText
Etymology
From + from (laliá), "babble, meaningless talk".
Noun
- 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.