“to close / to shut” in Japanese is 閉, read hei, shi, to (へい, し, と). It is a Grade 6 Kyōiku kanji, taught in year 6 of Japanese elementary school, and appears in words such as 閉店 (store closing).
What does 閉 mean?
ドアを閉める。
Same sound, different character — the classic trap. Compare them side by side: