This is the 7484th most frequent Polish word.
kowna
The word "kowna" does not exist as a standalone term in standard Polish; it may be a typo or a proper name.
The word 'kowna' is used to denote a form of worry or concern and functions as a noun.
Widziałem kowna w jej oczach.
I saw concern in her eyes.
In the sentence, 'kowna' functions as a proper noun, likely as a name.
Kowna ukrywała się za drzewem.
Kowna was hiding behind the tree.
Here, 'kowna' as a word is mentioned explicitly in a meta context, referring to its use or existence within language.