Bailly
ποδ·αρκής, ής, ές, aux pieds agiles, IL.
18, 181 ; d’où agile, PD.
P. 5, 45 ; en parl. du jour des courses, PD.
O. 13, 53.
Étym. πούς, ἀρκέω.
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LSJ
ές, (ἀρκέω I. 3) succouring with the feet, running to the rescue (cf. βοηθόος); hence, swift-footed, epith. of a good runner, freq. in Il., as epith. of Achilles, 1.121, al. (never in Od.); π. ἄγγελος Διός, of Hermes, B. 18.30. π. ἁμέρα a day of swift feet, i.e. on which swift runners contended, Pi. O. 13.38; ποδαρκέων δρόμων τέμενος the sacred field of swift courses, i.e. the Pythian race-course, Id. P. 5.33 (s.v.l.).
assisting the feet, name of a remedy for gout, Gal. 13.1021.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)