v. Obs. [f. L. extergĕre, f. ex- out + tergĕre to wipe off.] trans. To wipe out, cleanse. In quots. absol.
1657. Tomlinson, Renou’s Disp., 38. It [sour sapour] corrodes, bites, penetrates, and exterges.
1684. trans. Bonet’s Merc. Compit., XVIII. 666/1. Manna … and things that exterge without biting.
