fumitory
noun
fu·mi·to·ry ˈfyü-mə-ˌtȯr-ē 
: any of a genus (Fumaria of the family Fumariaceae, the fumitory family) of erect or climbing herbs
especially : a common European herb (F. officinalis)
Word History
Etymology
Middle English fumeterre, from Anglo-French, from Medieval Latin fumus terrae, literally, smoke of the earth, from Latin fumus + terrae, genitive of terra earth — more at terrace entry 1
First Known Use
14th century, in the meaning defined above