also: わけよい
expression, i-adjective (yoi/ii class)
easy to divide; easily divisible
Describes something that can be split or separated without difficulty. Often used for physical objects, groups, or abstract concepts that lend themselves to division.
このケーキは分けいい形をしている。
This cake has a shape that is easy to divide.
この仕事はチームで分けいい。
This task is easy to divide among the team.
分けやすい is a more common and straightforward way to say 'easy to divide', using the standard -やすい suffix. 分けいい is a less common, slightly more literary or fixed expression.
Compound of 分け (continuative form of 分ける, 'to divide') + いい ('good, easy'). The form 分けよい uses the older よい reading of 良い.