削
サク, けず.る, はつ.る, そ.ぐ, げ
plane, sharpen, whittle, pare
JLPT1 G7 S9 F814
As per 肖# (resemble in miniature) + 刀 sword/knife → shave, scrape, plane or pare, creating small likenesses of the original object → *shave/plane/pare*; *reduce*; *remove*; *erase*; *cut*; *delete*.
[Full Kanji Etymology List]