sumach

sumach [Ar. summāq; cf. OF sumac], sumach (Rhus coriaria), also (as commodity) the fruit of this shrub (often dried and used as a spice) or its leaves or shoots (used in preparing or treating leather, or in therapeutic astringents). 1215 triginta et sex saccos de cimak Cl 240a; 1216 cy'macum quod ei vendidit Cl 253a; accipiantur ro', sumac, mirtilli, plantago Gilb. I 24. 1; 1296 de quolibet crannoco de symak' venali, j ob. Pat 115 m. 8; 1303 saccus de simac ‥ ij d. EEC 162; in omni fluxu colerico valet ~ch decoctum cum cibis eorum qui patiuntur Gad. 6. 2; suma fructus est cujusdam arboris ‥ G. et A. asimac MS BL Sloane 5 f. 12a.