ἄρθρον
ἄρθρον
*ἄρω
a joint, Soph.: esp. the socket of the ankle-joint, Hdt., Soph.:—in pl. joined with some other word, ἄρθρα ποδοῖν the ankles, Hdt.; ἄρθρων ἤλυσις the legs, Eur.; ἄρθρα τῶν κύκλων the eyes, Soph.; ἄρθρα στόματος the mouth, Eur.