sb. north. dial. Forms: 1 ʓelostr, ʓeolster, -or, 6 Sc. ȝoustir, 7 yowster, 9 youster. [OE. ʓeolster (late also ʓillister) suppuration, pus, related to LG. galster moldy spot in cheese, bacon, etc., whence Du. galsterig rank, rancid (cf. OE. ʓeolstriȝ purulent, poisonous).] Fetid discharge from a wound; pus, sanies. Hence Youster v., to fester; Youstered pa. pple. (see quot. 1894).
c. 725. Corpus Gloss. (Hessels), S 709. Supuratio, ʓelostr.
a. 1100. Aldhelm Gloss., I. 3585 (Napier 95/2). Tabo, .i. sanie, wyrmse, ʓeolstre.
1513. Douglas, Æneis, III. ix. 72. The ȝoustir tharfra chirtand and blak blud.
1691. Ray, N. C. Words, Yowster [printed Yowfter], to fester.
1894. Northumbld. Gloss., Youstered, puffed or swollen in the cellular membranes of the skin.
