berseem

noun

ber·​seem (ˌ)bər-ˈsēm 

: a succulent annual clover (Trifolium alexandrinum) cultivated as a forage plant and green-manure crop especially in the alkaline soils of the Nile valley and in the southwestern U.S.

called also Egyptian clover

Word History

Etymology

Arabic barsīm, from Coptic bersīm

First Known Use

1840, in the meaning defined above