'[carelessly-aimed]' originates from '[English]', specifically the words '[careless]' and '[aimed]', where '[careless]' meant '[without care]' and '[aimed]' meant '[directed towards a target]'.

'[carelessly-aimed]' changed from '[Middle English]' words '[careles]' and '[aimen]' and eventually became the modern English word '[carelessly-aimed]'.

Initially, it meant '[without careful direction]', but over time it evolved into its current meaning of '[lacking precision or accuracy in targeting]'.