I am aware of the fact that the idiom:
Over and over again.
means repeatedly. But which meaning of the adverb over is being used in the idiom above? does it mean "Throughout a period of time"?
English Language Learners Stack Exchange is a question and answer site for speakers of other languages learning English. It only takes a minute to sign up.
Sign up to join this communityIt doesn't have the sense of "throughout a period", much more "in its entirety".
The OED gives several very closely related uses, earliest from the 1400s.