suicide from overwork
Refers to suicide caused by excessive overwork; closely related to 過労自殺 (かろうじさつ), which is the more common term. This form is less frequent but carries the same meaning.
See also: 過労自殺
Suicide from overwork is recognized as a serious social problem.
His death was determined to be a suicide from overwork.
過労自殺 is the more common term for 'suicide from overwork'. 過労自死 is a less frequent variant with the same meaning.
Compound of 過労 (overwork) and 自死 (suicide). The exact origin is uncertain, but it is likely a modern coinage related to social issues surrounding overwork.