除 is built from the 阝 (hill (left) / village (right)) and 余 components.
It belongs to a phonetic family with 徐 and 叙 — they share the 余 component and the reading ジョ.
A common word using 除 is 掃除 (そうじ (する)), meaning “cleaning, sweeping”.
Don't confuse it with 徐, 叙, 余, and 途.
