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βλείης

Γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ -> The fool laughs even when there's nothing to laugh at
Menander

Greek (Liddell-Scott)

βλείης: βλεῖο, ἴδε ἐν λ. βάλλω.

Spanish (DGE)

v. βάλλω.

Dutch (Woordenboekgrieks.nl)

βλείης poët. opt. stamaor. act. 2 sing. van βάλλω.