超ちょう勤きんちょうきんじ字FuriganaMeanings1nounovertime work; overtimeabbreviationAbbreviation of 超過勤務 (ちょうかきんむ). Common in office and government settings.See also: 超過勤務今こん月げつは超ちょう勤きんが多おおくて疲つかれた。I'm tired because I had a lot of overtime this month.
