This is the 253rd most frequent Dutch word.
zes
The Dutch word "zes" means "six" in English.
In this sentence, 'zes' is a numeral indicating the quantity of books.
Ik heb zes boeken op de plank.
I have six books on the shelf.
Here, 'zes' is used to specify a duration of time, i.e., six years.
Mijn zus heeft zes jaar in Duitsland gewoond.
My sister lived in Germany for six years.
In this example, 'zes' indicates a specific point in time, the sixth hour of the evening.