puoleinen

Adjective

 * 1)  being on the side of something
 * 2)  related through one of the parents, or his/her side of the family
 * äidin~ : maternal
 * isän~ : paternal
 * 1)  somewhat, a bit, -ish having a property, but only to a some extent
 * isän~ : paternal
 * 1)  somewhat, a bit, -ish having a property, but only to a some extent

Usage notes
The main rule for choosing between and  is that the former is used when the modifier is in the genitive case. Sometimes there are two parallel forms to choose from, e.g. and.