染 means “dye, stain, soak in”

そめる · someru

Also: color, paint

Kun'yomi (Japanese reading)
そめる, そまる, しみる, しみ
On'yomi (Chinese reading)
セン

JLPT N1 · Taught in grade 6 · 9 strokes

The story

Water (氵), nine (九) and a tree (木): picture cloth dipped nine times in dye boiled from bark. 染める is to dye, 染み is a stain, and 感染, infection, is sickness seeping into the body the way dye soaks into cloth.

Used in 染める (someru, to dye), 感染 (kansen, infection), and 染み (shimi, stain)

More from Shades & Dyes

Learn 染 and more kanji free on Fuji Learning · All kanji

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