athletic contest of five events, 1852, from Greek pentathlon "the contest of five exercises," from pente "five" (see five) + athlon "prize, contest," of uncertain origin. Earlier in English in Latin form pentathlum (1706). The Greek version consisted of jumping, sprinting, discus and spear throwing, and wrestling. The modern version (1912) consists of horseback riding, fencing, shooting, swimming, and cross-country running.
例文
1. Let 's have a big round of applause for our terrific pentathlon athletes！
五種競技の優秀な選手たちに拍手を送りましょう！
2.What is modern pentathlon ？Equestrianism，fencing，swimming，shoting and cross-country race.
現代の5つの項目は何ですか。馬術、フェンシング、水泳、射撃、クロスカントリー。
3.When was modern pentathlon introduced to the Olympic Games？
近代五種競技がオリンピック競技種目になったのはいつですか。
4.But the incidence is especially high in case of modern pentathlon .
しかし、現代の5つの項目でこのような問題が発生する確率は特に高い。
5.There were only running，wrestling，horse racing，and pentathlon at that time.