に, をしお
entrer, insérer, mettre, entrer votre kudasai
Read mnemonics:
入 : entrer ; insérer
Kanji mnemonics:
Turns out, after you
enter the teepee (you'll remember that the radical is a teepee with a big entrance to it), you're given a
new (
にゅう) one! Now you have two teepees!