ὁπλιτοδρόμος
From LSJ
τούτων γάρ ἑκάτερον κοινῷ ὀνόματι προσαγορεύεται ζῷον, καί ὁ λόγος δέ τῆς οὐσίας ὁ αὐτός → and these are univocally so named, inasmuch as not only the name, but also the definition, is the same in both cases (Aristotle, Categoriae 1a8-10)
English (LSJ)
ον,
A running a race in armour, IG12.531 (dub.), CIG2758iv2, al. (Aphrodisias), Poll.3.151, Sch.Pi.P.10.22, Sch.Ar.Ach.213.
German (Pape)
[Seite 359] in schwerer Waffenrüstung wettlaufend, Schol. Ar. Ach. 213.