出典:Wiktionary
From Middle English robberie, robry, roberie, from Old French roberie, from the verb rober (“to steal; to pillage”) + -ie. Ultimately from unattested Frankish *raubōn. Synchronically analyzable as rob + -ery. Compare Dutch roverij (“robbery”), Norwegian Bokmål røveri (“robbery”), German Räuberei (“robbery, banditry”).
robbery (countable かつ uncountable, 複数形 robberies)