This radical is understood as an identical variant of "person" 人, and shows a person who stands with the legs apart. - This radical has several variation, i.e. a lying person , a sitting 匕 person.
This radical can be seen as a person 人 who has the right leg horizontal 一. He is thus lying. (Further radicals with "person" are: sitting 匕, sitting cross-legged 夂, kneeling ⺈, skilled 才, bending マ,卩, slumped 㔾 or husband 夫)
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