A mound of earth over a grave; literally 'earth bun' from its rounded shape.
Burial mounds from the Kofun period are scattered around this area.
Standard kanji spelling for a burial mound.
Mixed kanji-kana spelling; may be easier for learners.
Compound of 土 (earth) and 饅頭 (steamed bun), from the resemblance of the rounded mound to a bun.