Change Of Clothes
Spare Clothes
noun, verbal noun
You know how 替える is "to replace"? Well, you're replacing what you wear. That's a change of clothes, or spare clothes.
The reading is 着る and 替える put together. The か goes to が.
母は、私の着替えを持ってくるのを忘れた事を謝りました。
My mother apologized for forgetting to bring me a change of clothes.
パジャマにお着替えする時間だよー！
It's time to change into your pajamas!
今うちの息子イヤイヤ期だからお着替えするだけでも一苦労だよ。
My son is going through the "terrible twos" right now, so even just changing his clothes is a big pain.
もちろん子供の着替えは持ってきていたけど、まさか自分の着替えが必要になるとは思ってもいなかったから、ウォルマートで買う羽目になったよ。
Of course I brought a change of clothes for the kids, but I didn't expect to need a change of clothes for myself, so I had to buy some at Wal-Mart.