noun
degree of kinship
Legal term used in family law to measure the closeness of a blood relationship, such as between parent and child (first degree) or siblings (second degree).
民法では、親等の計算方法が定められている。
The Civil Code stipulates how to calculate the degree of kinship.
親等が近いほど、相続の権利が強くなる。
The closer the degree of kinship, the stronger the inheritance rights.