umbrel
noun/ˈʌmbɹəl/
Etymology From Middle English umbrell, umbrel, probably from Anglo-Norman umbrail, from Old French ombrail, ombral, from ombrel (“shade”), from ombre + -el, from Latin umbra; compare French ombrelle. By surface analysis, umb(e)r + -el.
1
Historical An umbrere; the visor of a helmet