Where does “karnabahar” come from?

karnabahar (Turkish) comes from Ottoman Turkish قارنبهار, from Persian کرمب بهار, from Persian بهار, from Middle Persian whʾl, from Old Persian 𐎺𐎠𐏃𐎼, from Proto-Iranian *wáhār, from Proto-Indo-Iranian wásr̥, from Proto-Indo-European wósr̥ — spring.

karnabahar (Turkish): cauliflower