This is the 7087th most frequent Polish word.
hrebennem
"Hrebennem" is not a Polish word. It could be a misspelling of "grzebieniem," which means "with a comb" in English.
Instrumental case referring to an instrument used for an action.
Czeszę włosy grzebieniem.
I comb my hair with a comb.
Application or use of the object described by word.
Grzebieniem można wygładzić sierść psa.
A comb can be used to smooth a dog's fur.
Nominative case identifying the object described in context.