This is the 11136th most frequent Polish word.
giżyckim
"Giżyckim" relates to Giżycko, a town in Poland, often used to describe something from or associated with Giżycko.
The word 'giżyckim' is an adjective derived from 'Giżycko', modifying 'moście' (bridge), describing something located in or related to Giżycko.
Spacerowałem po giżyckim moście.
I was walking on the Giżycko bridge.
Here, 'giżyckim' acts as an adjective modifying 'porcie' (port), describing the port associated with Giżycko.
W giżyckim porcie cumują liczne jachty.
Numerous yachts dock in the Giżycko port.
In this sentence, 'giżyckim' is an adjective describing 'festiwalu' (festival), indicating the festival held in Giżycko.