隅 is built from the 阝 (hill (left) / village (right)) and 禺 (monkey (in 偶·遇)) components.
It belongs to a phonetic family with 遇 and 偶 — they share the 禺 component and the reading グウ.
A common word using 隅 is 隅 (すみ), meaning “corner”.
Don't confuse it with 遇, 偶, and 愚.
