figwort
Concise Oxford English Dictionary © 2008 Oxford University Press:
figwort/ˈfɪɡwəːt/
▶noun a herbaceous plant with purplish-brown two-lobed flowers. [Genus Scrophularia: several species.]
– origin C16 (orig. denoting pilewort, used as a treatment for piles): from obs. fig ‘piles’ + wort.
'figwort' also found in these Oxford entries:

