煎 means “roast, brew, simmer”

せん · sen

Also: broil, parch, boil

Kun'yomi (Japanese reading)
せんじる, いる, にる
On'yomi (Chinese reading)
セン

JLPT N1 · Taught in secondary school · 13 strokes

The story

Fire (灬) under 前, in front: picture a pot simmering on the flame right in front of you. 煎 is heating to draw out flavor: 煎茶 is everyday green tea, 煎餅 the crunchy rice cracker, and 二番煎じ, a second brewing, is a weak rehash of someone else's idea.

Used in 煎餅 (senbei, rice cracker), 煎茶 (sencha, green tea), and 煎る (iru, to roast)

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.