Main Entry: ¹suds

Pronunciation: \ˈsədz\

Function: noun plural but singular or plural in construction

Etymology: probably from Middle Dutch sudse marsh; akin to Old English sēothan to seethe — more at seethe

Date: 1581

1 : water impregnated with soap or a synthetic detergent compound and worked up into froth; also : the lather or froth on such water
2 a : foam, froth b : beer

— suds·less \-ləs\ adjective