7 letters · 13 points in Scrabble
adverb for a limitless time; ; - P.P.Bliss
adverb for a very long or seemingly endless time
adverb without interruption
originUniverbation of for ever, from Middle English for ever, for evere. By surface analysis, for + ever. First attested in the late 14c., and first attested in the late 17c. as one word. Noun first attested in 1858.
Etymology from Wiktionary, CC BY-SA 3.0