baselard

Etymology
From, (early 14th century), in English from the later 14th century. Occurs in many spelling variants, including badelaire, baudelaire, Latinized badelare, bazelare, basalardus, balafardus, balasardus, etc. Probably in origin a corruption of 🇨🇬 (as pasler also attested from the early 14th century), probably short for Basler messer "knife of (made in, typical of) Basel".

Noun

 * 1) A type of heavy dagger popular in the 14th and 15th centuries.
 * 2) * 1380s: "Sir John and Sir Geoffrey hath a girdle of silver, a baselard or a ballok knyf with buttons overgilt." (Piers Plowman)