expression, noun
ease of use; comfort in use; feel
Describes how something feels to use: comfortable, easy, or pleasant. Often used for tools, apps, furniture, and everyday items.
このキーボードは使い心地がとてもいい。
This keyboard feels really good to use.
新しいアプリの使い心地を試してみた。
I tried out the feel of the new app.
Compound of 使い (use) and 心地 (feeling, sensation). The exact historical derivation is uncertain, but the pattern is productive for describing the feel of an action.