pen ‧ tath ‧ lon /penˈtæθlən/ BrE AmE noun [singular, uncountable]
[ Date: 1600-1700 ; Language: Greek ; Origin: penta- ( PENTA- ) + athlon 'competition' ]
a sports event involving five different sports
pen ‧ tath ‧ lon /penˈtæθlən/ BrE AmE noun [singular, uncountable]
[ Date: 1600-1700 ; Language: Greek ; Origin: penta- ( PENTA- ) + athlon 'competition' ]
a sports event involving five different sports
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012