aubergine

Concise Oxford English Dictionary © 2008 Oxford University Press:
aubergine /ˈəʊbəʒiːn/

▶noun chiefly Brit.

• 1 the purple egg-shaped fruit of a tropical plant, eaten as a vegetable.

• 2 the plant of the nightshade family which bears aubergines. [Solanum melongena.]

– origin C18: from Fr., from Catalan alberginia, from Arab. al-bāḏinjān.