pissa

pissa [πίσσα] , resinous substance obtained by distillation of tar, pitch. itrio ~a [i.~e.ὑδριόπισσα], i. pix liquida Gl. Laud. 824; pissaria [i.~e. πίσσα ῥοή], i. pix liquida Ib. 1177; pixassera [i.~e. πίσσα ξηρά], i. pix dura Ib. 1193; ~a, i. pix vel napsuri [? l. napta ura], vel cera virgine Ib. 1228; pixaxera [i.~e. πίσσα ξηρά], pix dura Osb. Glouc. Deriv. 480.