also: ばいづか
noun
subsidiary burial mound; satellite burial mound
Archaeological term for a smaller mound built near a larger keyhole-shaped tomb (前方後円墳) during the Kofun period (ca. 3rd–6th centuries).
この前方後円墳の周りには、いくつかの陪塚が確認されている。
Several subsidiary burial mounds have been identified around this keyhole-shaped tomb.
陪塚からは、副葬品として
Mirrors and beads were excavated from the satellite burial mound as grave goods.
Variant using 冢 instead of 塚; less common in modern usage.
Alternate reading; less common than ばいちょう.
陪 means 'accompanying' or 'subsidiary', and 塚/冢 means 'mound' or 'tumulus'. The term refers to smaller mounds built near a main tomb.