πετευριστής
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
English (LSJ)
οῦ, ὁ, = foreg., in Lat. form
A petaurista, Varro ap.Non.p.79 L.: metaph., of fleas and the like, Plin.HN11.115.