eschar Path.
(ˈɛskɑː(r))
Forms: 6–7 asker, (6 ascher, askar), 6–8 escar(e, 6 eschare, eskarre, 7 escarre, (esker), 7– eschar.
[ad. (partly through Fr. eschare) L. eschara, a. Gr. ἐσχάρα lit. ‘hearth’, hence mark of a burn. The Fr. word was at an earlier period adopted aphetically as scarre, scar1.]
‘A brown or black dry slough, resulting from the destruction of a living part, either by gangrene, by burn, or by caustics’ (Syd. Soc. Lex.).
| [c 1430 tr. Gul. de Saliceto in MS. Sloane 277 fo. 49 Þe remeuynge of þe escara or cruste.] 1543 Traheron Vigo's Chirurg. ii. ix. 23 After that the malignite is taken awaye, ye muste cause the eschare to fal awaye. 1582 J. Hester Secr. Phiorav. i. vii. 8 You maie not take awaie y⊇ Askar, vntill such tyme as it falleth out of hymself. 1607 Topsell Four-f. Beasts (1673) 313 Bind it thereto for three days, in which space you shall see a white asker on the sore. 1655 Culpepper, etc., Riverius iv. vii. 119 When the Eschar falls off, they will bleed again. c 1720 W. Gibson Farrier's Guide ii. xlviii. (1738) 182 It does not form anything like an Escar. 1755 Phil. Trans. XLIX. 50 The tongue alone was the seat of the gangrenous eschar. 1807 Med. Jrnl. XVII. 223, I cauterized the wound by means of burning tinder..until an eschar was produced about the size of a shilling. 1874 H. Rogers Orig. Bible 286 In the eschar produced by cautery no nerve thrills. |
† b. transf. Obs.
| 1709 Phil. Trans. XXVI. 379 The Flame of common Fire..is able to reduce it [Iron] to an Eschar or sort of Rust. 1727 Bradley Fam. Dict. s.v. Ant, Insects..cause so many Escars, that the Leaves cannot avoid circling. |