dracontium
From LSJ
ἀλλ᾽ οὐδὲ εἷς τέκτων ὀχυρὰν οὕτως ἐποίησεν θύραν, δι᾽ἧς γαλῆ καὶ μοιχὸς οὐκ εἰσέρχεται → but no carpenter ever made a door so secure that a weasel or a womanizer could not pass through it
Latin > English (Lewis & Short)
drăcontĭum: ii, n., = δρακόντιον,
I dragon-wort, Arum dracunculus, Linn.; Plin. 24, 16, 91, § 142; called also dracontia radix, Veg. 5, 66, 1.