noun
period of separation; time living apart
Refers to a defined stretch of time during which a married couple or family members live separately, often in legal or formal contexts.
別居期間が長くなると、離婚の話が出やすくなる。
When the period of separation becomes long, talk of divorce tends to come up more easily.
裁判所は別居期間を考慮して親権を判断した。
The court considered the period of living apart when deciding custody.
Compound of 別居 (living apart) and 期間 (period, term).