This is the 4641st most frequent German word.
umfahren
The German word "umfahren" can mean either "to drive around" (separable prefix) or "to run over" (inseparable prefix), depending on context.
Here, 'umfahren' is a separable verb meaning 'to drive around' an obstacle or object.
Er hat das Hindernis umfahren.
He drove around the obstacle.
In this usage, 'umfahren' is an inseparable verb meaning 'to knock over' or 'collide with' something while driving.
Das Auto hat den Baum umfahren.
The car collided with the tree.
As a separable verb, 'umfahren' can also suggest the act of avoiding or circumventing something while traveling.