fumitory

UK: /ˈfjuːmɪtərɪ/ US: (fyo̅o̅′mi tôr′ē, -tōr′ē)

WordReference Random House Unabridged Dictionary of American English © 2025

fu•mi•to•ry  (fyo̅o̅′mi tôr′ē, -tōr′ē), n., pl. -ries. 

1. Plant Biology any plant of the genus Fumaria, esp. a delicate herb, F. officinalis, having finely dissected, grayish leaves and spikes of purplish flowers.

• Medieval Latin fūmus terrae literally, smoke of the earth; literal sense uncertain
• Middle French
• alteration of earlier fumiterre, Middle English fumetere 1350–1400

Collins Concise English Dictionary © HarperCollins Publishers::

fumitory / ˈfjuːmɪtərɪ -trɪ/ noun ( -ries)

1. any plant of the chiefly European genus Fumaria, esp F. officinalis, having spurred flowers and formerly used medicinally: family Fumariaceae

Etymology: 14th Century: from Old French fumetere, from Medieval Latin fūmus terrae, literally: smoke of the earth; see fume