This is the 2813th most frequent Polish word.
kanału
The Polish word "kanału" means "channel" (genitive singular form).
Here, 'kanału' is used in its genitive case, indicating possession or relation, meaning 'of the canal', to describe the location of the new bridge.
Wczoraj podczas spaceru widziałem nowy most nad kanałem.
Yesterday during a walk, I saw a new bridge over the canal.
In this sentence, the word 'kanał' refers to a TV channel. The genitive case 'kanału' is used here to denote the object of the action of switching.
Przełączyłem na inny kanał, aby obejrzeć wiadomości.
I switched to a different channel to watch the news.
Here, 'kanał' metaphorically refers to a means or method of communication, with the genitive 'kanału' showing its context within the action taken.