Definition of Day
- Day Proper noun derived from a medieval diminutive of David.
- Day Proper noun from day as a word for a "day-servant", an archaic term for a day-laborer.Ernest Weekley, "The Romance of Words" (1927), p. 165. ,or from given names such as Dagr, Daug, Dege, and Dey, cognate with Scandinavian Dag.Susa Young Gates, "Surname Book and Racial History" (1918) p. 289.
- Day Proper noun anglicised from.
- Day Proper noun A Mbum-Day language of Chad.