for ever and ever
Definition from Wiktionary, the free dictionary
See also: forever and ever
“for” + “ever” + “and” + “ever”; arising in the King James Bible, an approximate translation from the Greek εἰς τοὺς αἰῶνας τῶν αἰώνων (eis toùs aiônas tôn aiṓnōn, “to the aeons of the aeons”) and Hebrew לעולם ועד (“forever and until”).
- (as an intensifier): forever.