符
フ
token, sign, mark, tally, charm
JLPT2 G7 S11 F1798
As per 付# (set in place) + 竹 bamboo → bamboo tablet/tally split in two to make a pledge, the pieces of which, when set in place, *fit together exactly* → *tally*; *marker* → *paper charm*; *code*.
[Full Kanji Etymology List]