This is the 8455th most frequent German word.
kerbe
Notch or groove.
In this sentence, 'Kerbe' is used to describe a physical notch or groove made in a surface, which is its literal meaning in German.
Die Axt hat eine tiefe Kerbe im Holz hinterlassen.
The axe left a deep notch in the wood.
Here, 'Kerbe' is used metaphorically to represent an achievement or milestone.
Jede gelernte Lektion kann als Kerbe für den Fortschritt betrachtet werden.
Every lesson learned can be considered a notch for progress.
In this instance, 'Kerbe' is used in an idiomatic sense to symbolize a token or reminder of success or accomplishments.