to tap / to knock lightly / old variant of 撲|扑[pu1]
攴
=
⺊
+
又
:
Mnemonic symbol: a door knocker. Petra Penguin (pu) locked herself out of the space station (Ø1). She tries to get the others' attention by waving with a pennant (⺊) and knocking (攴) against the window with a boxing glove (又). Finally she uses a door knocker (攴) to knock on the door.