Origin: before 1150;Middle Englishdawen (v.), Old Englishdagian, derivative of dægday; akin to Old Norsedaga,Middle Dutch,Middle Low Germandagen,Old High Germantagēn
c.1500, shortened from dawning, dawing (c.1300), from O.E. dagung, from dagian "to become day," from root of dæg "day" (see day). Probably influenced by a Scandinavian word (cf. Dan. dagning, O.N. dagan). The noun is first recorded c.1600.