verjutum

verjutum [AN verjous, OF vergus, ME verjous], verjuice, juice of sour apples or grapes; b (made from ginger and lemon juice). 1303 dim' lag' vini acri, j lag' verg' KR Ac 365/12 m. 3 (cf. IMisc 27/24: 1265 ij dol' de vergus); 1303 vergus, ij d. Cal. Scot. II 360; 1443 pro vino acri, vericus [? l. verjous], et oleo Comp. Dom. Buck. 20; 1458 pro naulo ‥ sex barilium aceti, ‥ dim' barilis verguti ExchScot 384; 1467 pro v bus. garbatorum [sic MS; ? l. arbutorum] empt’ pro verione [sic MS; ? l. verious] xx d. Ac. Durh. 91; 1481 j barell' cum ~o, ij barelli vacui pro verjuto Ib. 97; 1521 in vino agro et virgeto, ij d. REED York 225; de vino subacido, quod ~um vocant Major I 3.  b 1380 duas magnas ollas zinziberis viridis, unam vergentam [? l. vergeutam] zinziberis facti cum aqua limonis Foed. VII 233.