noun
three cavalry disciplines
Historical term referring to three traditional Japanese mounted warrior skills: dog hunting (犬追物), hat shooting (笠懸), and horseback archery (流鏑馬).
騎射三物は、鎌倉時代の武士の重要な訓練であった。
The three cavalry disciplines were important training for warriors in the Kamakura period.
Compound of 騎射 (kisha, 'mounted archery') and 三物 (mitsumono, 'three items'). The exact historical derivation is uncertain, but the term is conventionally associated with the three named disciplines.