rinsura

rinsura [OF raïnceure], (water that has been used for) rinsing or washing. 1301 calix ‥ vas de plumbo ad ~am recipiendam, missale Reg. Exon. 380; postea ibunt ad communionem sanctam, et accipient ~as ante †almare [l. altare], ubi stant calices, ab uno de magistris eorum vel subsacrista Cust. Cant. 386.