This radical gets its meaning by the similarity to the character for arrow: 箭 (jiàn), which has a similar body under the bamboo 竹. Due to the pointed top this radical is understood as the arrow's head 人 that goes into the flesh 月/肉 and cuts刂.
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cover and variation from: front 前 (or arrow 箭), which gets into the body 月/肉 to cut 刂.
