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γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → the fool laughs even when there's nothing to laugh at
subs.
Landlord of an inn: P. πανδοκεύς, ὁ (Plat.), Ar. and P. κάπηλος, ὁ; see also landowner. One who lets anything on hire: use Ar. and P. ὁ μισθῶν.