fastern's e'en

noun

fast·​ern's e'en

ˌfasərnˈzēn

variants or fastern's

ˈfasərnz

chiefly Scottish

: shrove tuesday

Word History

Etymology

Middle English (Scots) fasternis evin, from fasternis (genitive of fastern fast, from Old English—Northumbrian dialect—fæstern, from Old English fæstan to fast) + evin

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