tumulus; grave mound; burial mound
Refers to an ancient earthen burial mound, especially those from the Kofun period in Japan.
Many burial mounds remain in this area.
Keyhole-shaped mounds are a distinctive form of tumulus in Japan.
Compound of 墳 (mound, tomb) and 丘 (hill). The exact historical derivation is uncertain, but the spelling is conventionally associated with burial mounds.