圧
アツ, エン, オウ, お.す, へ.す, おさ.える, お.さえる
pressure, push, overwhelm, oppress, dominate
JLPT2 G5 S5 F718
As per
厭
# (press upon) +
土
earth → *pressure* exerted on the earth by a heavy object → *press*.
[Full Kanji Etymology List]