mountain, bare hill
屼 centers on a mountain or bare hill, emphasizing a prominent, exposed peak.
屼 combines 山 (mountain) with 兀 (towering, bald), suggesting a bare, prominent hill or mountain peak.
The mountain radical 山 beside 兀, which looks like a bare, high platform, gives the image of a bare hill or mountain top.
For ゴチ, imagine a goat standing on a bare hill: goat -> ゴチ, and the goat is perched on the mountain peak.
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