What do you mean by “common part”? Kohl is just cabbage. Rotkohl is red cabbage. Because it’s cabbage that is red.
Now you’ve made me hungry.
What do you mean by “common part”? Kohl is just cabbage. Rotkohl is red cabbage. Because it’s cabbage that is red.
Now you’ve made me hungry.
deegeese@sopuli.xyz 4 weeks ago
So the etymology answer is collard greens are cabbage greens because they’re in the same family.