heptathlonyoudaoicibaDictYouDict[heptathlon 词源字典]
"An athletic event, in particular one for women, in which each competitor takes part in the same prescribed seven events (100 metres hurdles, high jump, shot-put, 200 metres, long jump, javelin, and 800 metres)", 1970s: from hepta- 'seven' + Greek athlon 'contest', on the pattern of words such as decathlon.[heptathlon etymology, heptathlon origin, 英语词源]