超ちょう過か勤きん務む

noun, noun which may take the genitive case particle 'no'

overtime work; overtime

Formal term for working beyond regular hours, often used in official or business settings. More formal than 残業 (ざんぎょう).

• 今こん月げつは超ちょう過か勤きん務むが多おおかったので、