出典:Wiktionary
From Middle English manslaȝter, manslauter, equivalent to man + slaughter, or taken as an adaptation of 古期英語 mansliht (“murder; killing of a person”), from mann (“person”) + sliht (“killing”), see manslaught. Cognate with Scots manslauchter (“homicide”). Compare also Old Frisian monslaga (“murder”).
manslaughter (countable かつ uncountable, 複数形 manslaughters)