押
オウ, お.す, お.し, お.っ, お.さえる, おさ.える, おし, おす, おや
push, stop, check, subdue, attach, seize, weight, shove, press, seal, do in spite of
JLPT3 G7 S8 F789
As per 甲# (press down on) + 手 hand/action indicator → *press*/*push* down on → *thrust*; *shove*; *hold down*; *stop*; *stamp* (papers/a passport etc.); (a) *weight*; *pressure* → *seize*; *catch*; *arrest* → *control* (← restrain and control). 押 was devised to replace 甲 after the latter came to refer to a husk or shell.
[Full Kanji Etymology List]