ferrule

Origin

From Middle English verel, virel, virole (“ferrule; metal pivot on the end of an axle”), altered under the influence of Latin ferrum (“iron”), from Old French virole (“ferrule”), from Latin viriola (“little bracelet”), diminutive of viria (“bracelet worn by men”), from Gaulish, from Proto-Celtic *weiros (“crooked”) (compare Middle Irish fiar (“bent, crooked”), Welsh gŵyr, Breton gwar (“curved”)), from Proto-Indo-European *weyh₁ros (“threaded, turned, twisted”), from *weyh₁- (“to turn, twist, weave”).