Middle English word tur comes from Old English tor-, Old French torel, Old French tour, Old Norse tor-, Old English tor, Old English tūr, Old French toer

Detailed word origin of tur

Dictionary entry	Language	Definition
tor-	Old English (ang)
torel	Old French (fro)
tour	Old French (fro)
tor-	Old Norse (non)
tor	Old English (ang)
tūr	Old English (ang)
toer	Old French (fro)
torr-	Middle English (enm)

Words with the same origin as tur