You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "what does the ski mean in polish names?" whose answer is masculine.
Each document should contain about 30 words, and these documents should contain useful information.

Query: meaning of "ski" in polish names
Useful Output:

Doc 1:  names ending in “ski.” The suffix “ski” essentially means “from.” When combined with the prefix of a location, it creates a last name
Doc 2:  names are based on places, ancestors' first names, or professions. Names with 'ski' or 'cki' usually mean the name is originally Polish.
Doc 3: Ski is a very common last name ending in polish and many slavic languages, it just means you probably have some slavic roots.
Doc 4: Around the 13th century, it became trendy for people to add the suffix -ski (which means “of”) to their last names.  Polish surnames have the -
Doc 5: The suffix, -ski (feminine: -ska), has been restricted to the nobility in Eastern. Europe and some parts of central Europe since the High Middle