上じょう円えん下か方ほう墳ふん

noun

burial mound with a square base and a round top

Technical term in Japanese archaeology; refers to a specific type of ancient tomb (kofun) shape.

• 上じょう円えん下か方ほう墳ふんは、古こ墳ふん時じ代だいの終おわりごろに現あらわれた墓はかの形かたちです。

  The jōen kahōfun is a tomb shape that appeared toward the end of the Kofun period.