Wex (?), v. t. & i. To grow; to wax. [Obs.] Chaucer. “Each wexing moon.” Dryden.[1913 Webster]
Wex, obs. imp. of Wex. Waxed. Chaucer.[1913 Webster]
Wex, n. Wax. [Obs.] “Yelwe as wex.” Chaucer.[1913 Webster]