lather

Definition

The foam made by rapidly stirring soap and water.

Etymology

From Middle English lather, from Old English lēaþor (“a kind of nitre used for soap, soda”), from Proto-West Germanic *lauþr, from Proto-Germanic *lauþrą (“that which is used for washing, soap”), from Proto-Indo-European *lówh₃trom (“that which is used for washing”), from *lewh₃-, *lowh₃- (“to wash, bathe”). Cognate with Swedish lödder (“lather, foam, froth, soap”), Icelandic löður (“foam, froth, a kind of niter used for soap”), Old Irish loathar (“wash-basin”), Ancient Greek λουτρόν (loutrón, “a bath, wash-room”), Latin lavō (“I wash”), Albanian laj (“I wash”), Ancient Greek λούω (loúō). More at lye.

Example Sentences

• "Stately, plump Buck Mulligan came from the stairhead, bearing a bowl of lather on which a mirror and a razor lay crossed."