presoak

[ verb pree-sohk; noun pree-sohk ]
/ verb priˈsoʊk; noun ˈpriˌsoʊk /

verb (used with object)

to soak (laundry) in a liquid containing agents that loosen dirt, remove stains, etc., before washing.

noun

a preparation in which laundry is presoaked.
an act or instance of presoaking.

Origin of presoak

First recorded in 1915–20; pre- + soak