avens
noun
av·ens ˈa-vənz 
plural avens
: any of a genus (Geum) of perennial herbs of the rose family with white, purple, red, or yellow flowers
Word History
Etymology
Middle English avence, avance, borrowed from Anglo-French avance, avence "wood avens (Geum urbanum), hare's foot (Trifolium arvense), hazelwort (Asarum europaeum)" (also continental Middle French), borrowed from Medieval Latin avantia, of obscure origin
Note: Alternatively the Medieval Latin form may be a latinization of the French word.
First Known Use
13th century, in the meaning defined above