לְשִׁישִׁית, (= לשלישית, v. לִשְׁלֶשֶׁת) juice of a plant used for drying. Tosef. Kil. III, 12. Tosef. Shebi. V, 6; Y. ib. VII, 37ᶜ top שִׁלְשׁוּשִׁית.