rule; established routine; SOP
Refers to a fixed rule, convention, or standard procedure that is habitually followed, often in a group or organizational context.
Please follow the meeting rules.
This company has many detailed standard procedures.
Standard kanji spelling.
Mixed kanji-kana spelling; common in everyday writing.
Compound of 決まり (kimari, 'decision, rule') + 事 (koto, 'thing, matter'). The reading きまりごと shows rendaku voicing of こと.