to receive / to accept / to enjoy / to bring into / to pay (tax etc) / nano- (one billionth) / to reinforce sole of shoes or stockings by close sewing
纳
=
内
+
纟
:
Napoleon (n) took a tiny CT scan (内) of the silk worm (纟) in the ashram's bathroom (a4). The silkworm is relieved when it receives (纳) the scan and realizes that everything is ok.