II. the fallacy vulgarly called Achilles and the Tortoise', invented by Zeno of Elea, Arist.Ph.239b14, D.L.9.29.
Ἀχιλλεύς , Ep. also Ἀχιλεύς , gen. Ἀχιλλέως (either quadrisyll. or trisyll., as the metre requires, cf. S.Ph.4,50 with 57,364): acc. Ἀχιλλέα_ ib.331,358, voc. Ἀχιλλεῦ: Ep. gen. Ἀχιλλῆος, etc.:— Achilles.