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.
The upper part 龹 is typically seen as border guard, thus as a person 人 with two batons 二 and raised arms 丷. Here, however, it is a roll 火 with two 二 windings 㔾.
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, a sitting 匕 person.
) and two barrier bars 二. This is (Japanese only) visible in 'border guard 関'
