umbrere
In medieval armour, a visor, or projection like the peak of a cap, to which a fixed or movable faceguard was sometimes attached.
historical
Himself being clad with his bright armour, his umbrere pulled down, and a mighty spear in his hand, so big as they all marvelled at his good making.
Where it comes from
From Middle English umbrere, from Old French ombrier (modern French ombrière), from Latin umbra; see ombre (“a shade”). Compare umbrella.
Adapted from the Wiktionary entry umbrere (CC BY-SA 4.0).