they found older writings of the 'F'-Word with a slight different spelling from England in the early 1300s
Dr. Paul Booth of Keele University has found the name "Roger Fuckebythenavele" (which we need to bring back ASAP; sorry, Jayden) in Chester county court plea rolls from December 8, 1310, medievalists.netreports.
Roger Fucke (Fook?) by the naval. for a young man who struck out with a young maiden was given a name "Roger Fuckebythenavele"
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Part of the reason scholars debate the first fuck ever given is that other mentions of the word could be spellings of names, or meaning to strike or soldier—rather than anything sexual.
On her blog, linguist Kate Wiles wrote last year that the earliest known fuck in the English language was from 1373 with the term "Fockynggroue." As she wrote, this is "the earliest instance of fuck in English used to mean doing the funny downstairs business.
Fockynggroue? Fock Negro? Hungwells great great great hella great Grandma was Kate Wiles it seems
source
https://www.esquire.com/lifestyle/sex/news/a37944/where-did-fuck-come-from/