beetroot
n. C / U A2 Elementary UK //bˈiːtɹuːt// beet·root Informal
n. a round, red vegetable that grows underground. It is often eaten cooked or grated into salads.
n. the edible, fleshy root of the beet plant, typically red in colour and used as a vegetable.
I like to grate beetroot into my salads.
The chef roasted the beetroot with olive oil and served it as a side dish with the main course.
While often associated with traditional British cuisine, beetroot has gained popularity in modern gastronomy for its vibrant colour and earthy sweetness when roasted or pickled.
From beet + root.