This is the 7280th most frequent Polish word.
ken
The Polish word "ken" does not exist as a standard word in the Polish language. It may be a proper noun or a borrowed term.
Here, 'Ken' is a masculine proper noun, referring to a person's name.
Ken jest dobrym uczniem.
Ken is a good student.
In this sentence, 'Ken' is being used as a proper noun in accusative case, depending on the verb 'znać' (to know).
Czy znasz Kena?
Do you know Ken?
Here, 'Ken' is used as a proper noun in locative case due to the preposition 'o' (about).