萎
イ, な, しお.れる, しな.びる, しぼ.む, な.える

wither, droop, lame

JLPT0 G7 S11 F5000

As per 委# (hang low) + 艸 grass/plant → drooping/fading plant → *droop*; *fade* → *decline*; *weaken*; *be exhausted*.

[Full Kanji Etymology List]