tannum

tannum [ME tanne, AN tan], bark of oak or other tree (typically crushed or powdered), tan; b (used for tanning). 1170 Melredus forestarius reddit compotum de dim. m. pro tano Pipe 48; superponatur epati emplastrum ‥ ~i cortice ulmi Gilb. II 153. 2; 1281 exceptis busca, turba, ~o, carbone et hujusmodi PQW 401a; 1298 de qualibet carecta ~i venali per ebdomadam Reg. Carl. I 116; 1300 in cineribus de ~o factis emptis pro affinacione argenti Pipe 145 r. 22; 1315 habere solebant de omnibus quercubus ‥ ~am et ramos SelPlForest xxi n. 1; 1328 toto ~o de toto bosco MonA IV 317; ~um est cortex quercus SB 41; 14‥ tanno ‥ tan i. barke Teaching Latin I 51.  b a1135 coria et ~um et naves et quicquid emerint vel duxerint Cart. Glouc. II 134; c1150 habemus ‥ triginta coria in ~o MonA V 570; c1200 venditores tane ‥ sperantes monachos ‥ magnam tanariam habituros tanam carius vendunt Ib. V 641.