This is the 5959th most frequent Russian word.
северо
"Северо" means "north" or "northern" as a prefix in English.
The word 'северо' is used as a prefix indicating the 'northwest' direction.
На северо-западе страны находится красивый национальный парк.
In the northwest of the country, there is a beautiful national park.
Here, 'северо' is part of a compound adjective specifying the 'northeastern' direction of the wind.
Северо-восточный ветер принес прохладную погоду.
A northeastern wind brought cool weather.
In this case, 'северо' is used in a compound multi-directional descriptor 'north-northwest'.