absence for personal reasons
Used in contexts like school or work to indicate an absence due to personal circumstances, often contrasted with sick leave.
He is absent today for personal reasons.
Please contact us in advance if you will be absent for personal reasons.
Compound of 都合 (つごう, 'circumstances, convenience') and 欠 (けつ, 'absence, lack'). The exact historical derivation is uncertain, but the word is used in modern Japanese to denote absence for personal reasons.