Revalenta
/ˌrɛvəˈlɛntə/Now historical
noun
In full Revalenta Arabica. A preparation of lentil and barley flour, sold as a food for invalids.
Origin
Mid 19th century; earliest use found in Rambler. Alteration of Ervalenta, the name of a similar preparation from French Ervalenta, irregularly from classical Latin ervum, kind of cultivated vetch + lēnt-, lēns lentil.