戚
ソク, セキ, いた.む, うれ.える, みうち

grieve

JLPT0 G7 S11 F5000

As per 尗# as described in 叔 (slender and pendent) + 戉 (battle-ax) → *battle-ax* with a slender, elliptical haft → *hatchet*. (Familial) *relative*, *grieve* and *sad* are borrowed meanings.

[Full Kanji Etymology List]