Emily Dickinson Lexicon

AYE, adv. [Sax. aa, a, or awa; Gr. αει; Amh. ai, continually; D. eeuw, an age; Goth. aiw, an age, eternity; L. ævum, which, without its termination, is æv, æw; a contracted word; W. haug. This is in Saxon ece, eternal, whence ecnesse, eternity, from ecan, to increase, extend; Eng. to eke.]

Always; forever; continually; for an indefinite time; used in poetry.