Sainfoin

имя существительное [ботаника] эспарцет

Большой англо-русский словарь

Sainfoin

noun Etymology: French, from Middle French, from sain healthy (from Latin sanus) + foin hay, from Latin fenum a pink-flowered Eurasian perennial leguminous herb (Onobrychis viciifolia syn. O. viciaefolia) grown for forage

Merriam-Webster's Collegiate Dictionary