somnambulate
v.
1821, probably a back-formation from somnambulism. Related: Somnambulated; somnambulating.
〔李〕[somn;ambul;-atev.] v.梦行，梦游 ←somn (L somnus)=sleep 睡眠
〔蒋〕[somn睡，梦，ambul走，行，-ate动词后缀] 梦游，梦行
〔李〕[somn;ambul;-atev.] v.梦行，梦游 ←somn (L somnus)=sleep 睡眠
〔蒋〕[somn睡，梦，ambul走，行，-ate动词后缀] 梦游，梦行