1912 (Bleuler), from autism (q.v.). The noun meaning "person with autism" is recorded from 1968 (earlier in this sense was autist). Related: Autistically.
Entries linking to autistic
autism n.
1912, from German Autismus, coined 1912 by Swiss psychiatrist Paul Bleuler from Greek autos "self" (see auto-) + -ismos suffix of action or of state (see -ism). The notion is of "morbid self-absorption."