AphDem6.106:20 :ܡ݁ܢ ܕܡܬܪܒܐ ܒܐܬܠܝܛܘܬܐ܂ ܡܢ ܥܠܡܐ ܢܛܪ ܢܦܫܗ‏ : one who improves his athleticism, keeps himself away from the world
See the entire entry for ˀaṯlēṭū, ˀaṯlēṭūṯā n.f. strength, courage