戻 means to return and is a JLPT N3 kanji. It has 7 strokes and uses the door (single panel) radical (戸).
Stroke order · 7 strokes
On'yomi (音読み)
レイ
Kun'yomi (訓読み)
もど(す)
Radical
戸 · door (single panel)
Strokes
7
How to remember 戻
Under a door (戸), coming back like a dog (大) — the way a pet returns to the door every day. 払い戻し (refund) — money coming back, the most beloved kind of return.