属
ゾク, ショク, さかん, つく, やから, さっか, つき

belong, genus, subordinate official, affiliated

JLPT1 G5 S12 F912

As per 蜀# (adhere) + a variant form of 尾 tail → adhere/be attached in copulation → *be attached to*; *belong to* → *genus*.

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