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φιλίαν

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

French (Bailly abrégé)

acc. de φιλία;
acc. fém. sg. de φίλιος.