doxy

• n. 情妇，淫妇；宗教教义

可能来自Dorothy的昵称。比较同源词doll,dolly.

doxy (n.)

"rogue's girlfriend," 1520s, slang, of unknown origin (see dell (n.2)). Liberman says it is probably from Low German dokke "doll," "with the deterioration of meaning from 'sweetheart' and 'wench' to 'whore.'"