ˈkōl : any of several brassicas especially : any of various crop plants (such as broccoli, kale, brussels sprouts, cabbage, cauliflower, and kohlrabi) derived from the same wild cabbage (Brassica oleracea) Word History Etymology Middle English, from Old English cāl, from Latin caulis stem, cabbage; akin to Greek kaulos stem, Latvian kauls

https://www.merriam-webster.com/dictionary/cole