αὐλοφύλαξ

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

Source

Spanish (DGE)

-ακος, ὁ
guardián de la casa, PCair.Zen.292.58 (III a.C.).