hyoscyamum
From LSJ
ὀψὲ θεῶν ἀλέουσι μύλοι, ἀλέουσι δὲ λεπτά → the millstones of the gods grind late, but they grind fine | the mills of God grind slowly, but they grind exceedingly small
hўoscўămum, ī, n., Cels. Med. 2, 33, et hўoscĭămus, ī, m. (ὑοσκύαμος) jusquiame : Plin. 25, 35.