Scripting
From ActuallyAutistic Wiki
Scripting is the repetition or reciting of lines from movies, television, books, or words other people have said. Scripting is often used as a form of communication by autistic people, and can also be employed as a stim for enjoyment or help with sensory regulation.1
font/biography: https://www.choosingtherapy.com/scripting-autism/
Can we clarify how this differs from delayed echolalia?