煎
セン, せん.じる, い.る, に.る, いり
broil, parch, roast, boil
JLPT0 G7 S13 F2458
As per
前
# (small increments) +
火
fire → *roast*, *parch* or *fry* food a little at a time → *boil (down)*; *decoct*.
[Full Kanji Etymology List]