アイテム

あいてむ
noun
item
shoppingentertainment
1. item, article
an item; an article; a thing, especially in contexts of fashion, shopping, or collections
It's a popular item this season.
I bought a useful kitchen item.
New items have arrived in stock.
2. item (gaming)
an item in video games; objects that can be collected, used, or equipped
I got a rare item in the game.
Use an item to restore HP.
アイテムボックスいっぱいだ。
The item box is full.

アイテム is a loanword from English "item," commonly used in fashion/retail and gaming contexts.

FASHION/RETAIL usage

Gaming usage

Common expressions

Register: Neutral. Common in casual and commercial contexts.