galligaskins

plural noun

gal·​li·​gas·​kins ˌga-li-ˈga-skənz 

1

a

: loose wide hose or breeches worn in the 16th and 17th centuries

b

: very loose trousers

2

dialectal, chiefly British : leggings

Word History

Etymology

earlier also garragascoynes, perhaps reshaping (after gascon) of Middle French garguesques, greguesques (also chausses à la gregesque "leggings in the gregesque style"), borrowed from Spanish gregüescos, plural of gregüesco, probably for *greguesco, from griego "Greek" (going back to Latin Graecus) + -esco -esque — more at greek entry 1

First Known Use

1577, in the meaning defined at sense 1a