noun, noun or participle which takes 'suru', intransitive verb
leaving one's seat; excusing oneself
Used when someone leaves their seat temporarily or permanently, often in formal settings such as meetings, classrooms, or ceremonies. Can be a polite way to say one is leaving.
会議中に退席するときは、静かに席を立ちます。
When leaving your seat during a meeting, stand up quietly.
He left his seat due to an urgent matter.