Where does “somnambulate” come from?
somnambulate (English) comes from English somnambulism, from French somnambulisme, from French somnambule, from Medieval Latin somnambulus, from Latin ambulō, from Latin ambi-, from Latin ambō, from Proto-Indo-European h₂m̥bʰi — on, onto.
somnambulate (English): To walk while sleeping
Ancestry of “somnambulate”, step by step
Words derived from “somnambulate”