ἄθλησις
From LSJ
πάτερ, ἄφες αὐτοῖς, οὐ γὰρ οἴδασιν τί ποιοῦσιν → father, forgive them, for they know not what they do
English (LSJ)
ἡ,
A contest, combat, esp. of athletes, Plb.5.64.6, SIG1073.24 (Olympia), IG14.1102: pl., Phld.Mus.p.14 K.; κατὰ τὴν ἄ. 'in the athletic world', CPHerm. 119<*>iii 13 (iii A. D.); training, practice, D.S.3.33. 2 generally, struggle, trial, ἄ. ὑπομένειν Ep.Heb.10.32.