Left: ear 耳, right: to stop 止 (footprint of a right foot that stops at a line 一) (In traditional Chinese: 恥 with heart 心 its the derivation: "Into the ear 耳 rises (the blood) from the heart 心: you blush and are ashamed")
Mnemonic
If the ear "stops" (won't listen) then you are ashamed?
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