冢
チョウ, つか, おお.う
mound, hillock
JLPT0 G13 S0 F5000
The lower element# is 豕 pig/boar + a line drawn through it → run a spear through a downed boar. 冢 adds 冖 cover → cover a downed pig/boar. *Mound* and *hillock* are via shape association with the massive form of a downed pig/boar → *burial mound*.
[Full Kanji Etymology List]