Bayonet
来自Big Physics
late 17th century (denoting a kind of short dagger): from French baïonnette, from Bayonne, the name of a town in SW France, where they were first made.
wiktionary
From French baïonnette, named after the French town of Bayonne, where the plug bayonet was invented.
etymonline
bayonet (n.)
1610s, originally a type of flat dagger; as a soldiers' steel stabbing weapon fitted to the muzzle of a firearm, from 1670s, from French baionnette (16c.), said to be from Bayonne, city in Gascony where supposedly they first were made; or perhaps it is a diminutive of Old French bayon "crossbow bolt." The city name is from Late Latin baia "bay" (which was borrowed into Basque from Spanish) + Basque on "good." As a verb from c. 1700.
