ショク, ふ.れる, さわ.る, さわ
contact, touch, feel, hit, proclaim, announce, conflict
JLPT2 G7 S13 F904
As per 蜀# (insect adhering to a leaf) + 角 horn (→ insect feelers) → the feelers of an insect adhering to the surface of the object they *touch* → *feel*; *strike* → *take in*; *perceive*; *touch upon*; *contrary to/in violation of* (← touch or figuratively upon something prohibited).
[Full Kanji Etymology List]