Chichevache

Etymology
From, from +. The second element was assimilated to in English, probably by Chaucer.

Proper noun

 * 1) A legendary cow of enormous size, whose food was patient and obedient wives, and which was therefore in very lean condition.
 * 2) * a. 1400, Geoffrey Chaucer, The Clerk's Tale
 * "O noble wives, full of high prudence, / Let no humility your tongues nail: / Nor let no clerk have cause or diligence / To write of you a story of such marvail, / As of Griselda patient and kind, / Lest Chichevache you swallow in her entrail.