柵
サク, サン, しがら.む, しがらみ, とりで, やらい, ませ, やな
stockade, fence, weir, entwine around
JLPT0 G7 S9 F5000
As per 冊# (bamboo slats) + 木 tree/wood → enclosing *fence* made of wooden/bamboo slats → *palisade*; *weir* → *obstacles*; *bondage*.
[Full Kanji Etymology List]