"You canker blossom!" 3 Shakespearean Insults
late 14c., also citrine (early 15c.), from Old French citron "citron, lemon" (14c.), possibly from Old Provençal citron, from Latin citrus and influenced by lemon; or else from augmentative of Latin *citrum, related to citrus "citron tree," citreum (malum) "citron" (see citrus).