[v1 stem] + やすい [v5 stem (masu-stem)] + やすい [する → し] + やすい [来る → き] + やすい
The suffix ~やすい is used to express that something is easy to do or happens easily. It attaches to the stem of a verb to describe the ease of performing the action.
The opposite structure is ~にくい, which indicates difficulty in performing an action.