is for OVER.
Fall over. Trip over. Slip over. Knocked over.
No matter how you end up suffering an injury from falling over, the resulting injury can vary in seriousness. You may get get knocked over by a car and suffer a serious head injury, trip over a box put in the wrong position and break bone or just slip over a water spillage and have a bruised arm. No matter how you suffer your injury and no matter whether it is an accident at work or in a supermarket you may be eligible to make a compensation claim.