Genealogy / THE MEANING AND RESEARCH OF MY POLISH LAST NAME, SURNAME? [4500]

What can you tell me about the name Zrodlowski? My father was born in Rohatyn, when it was Polish. Another relative, surname Lodyga, was born in Wilno.

Just looking at Google results surprises me because I didn't think that Zrodlowski was that common, especially in the U.S.