Closet
Cupboard
noun
You push things to make them enter the closet or cupboard.
おしいれ
The reading is 押し (push the し inside the 押) plus 入れる's reading.
彼女を誘拐して押入れに閉じ込めたあの日から、僕はずっと彼女のことばかり考えているんだ。
I’ve done nothing but think about her since the day I kidnapped her and locked her up in my closet.