過労 (かろう)overwork; strain

overwork; strainnoun (common) (futsuumeishi), nouns which may take the genitive case particle 'no'

過労, its kanji, and other words that share them.Open this graph

Kanji in 過労

過去かこthe past; bygone days
過程かていprocess; course
過半数かはんすうmajority
経過けいかpassage (of time); elapsing
過激かげきextreme; radical
通過つうかpassing through (a tunnel, station, town, etc.); passing by (e.g. of a typhoon)
過ぎすぎpast; after
過剰かじょうexcess; surplus
労働ろうどうmanual labor; manual labour
労働者ろうどうしゃemployee; worker
労組ろうそlabor union; labour union
労働党ろうどうとうLabour Party; Labor Party
労働省ろうどうしょうMinistry of Labour (now Ministry of Health, Labour and Welfare)
労使ろうしlabour and management; labor and management
労働組合ろうどうくみあいlabor union; labour union
苦労くろうtrouble; hardship

See how 過労 connects to the rest of Japanese.