† auˈtæsthesyObs. [f.Gr. αὐτ(ο- self + αἴσθησις perception, sensation.] Self-consciousness. 1642H. More Song of Soul i. ii. xxv, Autæsthesy's divided into tway.a1652J. Smith Sel.Disc. viii. 387 To preserve an unhallowed autæsthesy and feeling sense of themselves.