snid-īsen, n.n: a lancet (a small, broad, two-edged surgical knife or blade with a sharp point). [SNID-EE-zen]
Aldobrandino of Siena’s Le Régime du corps. France, N. (Lille?), 3rd quarter of the 13th century (perhaps c. 1285). British Library, Sloane 2435, fol. 11v. [bl.uk]
Old English Wordhord 