Loo Morpheme Loo Type free base Denotation eyemask, half-mask Etymology French loup; Middle French loup; Old French lou, from leu, from louve; Latin lupus Evidence loo, loos Notes loo, lupus, and lobo are doublets See Also Lupe, Lobo Homographs Loo, Loo, Loo, Loo Share on FacebookTweetSave