noun, noun which may take the genitive case particle 'no'
for one's own use; personal use; private use
Used to describe something intended for oneself, not for others. Often appears with の to modify a noun, e.g., 自分用のメモ.
これは自分用のノートです。
This is a notebook for my own use.
自分用にコピーを取っておいた。
I made a copy for myself.