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

Detailed word origin of tour

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

Words with the same origin as tour