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

Polonius i need your help...

This is my history: I was born in argentina my surname is COMARNISKY
This surname comes from my great grand parents the came to argentina escaping from the war in poland... when they got here they did not get ID so our goverment give them argentinians ID but the problem is that they speak diferent language so the couldn't understand eachothers and they spell it all wrong...

I would like to know if anyone can help me to spell it the right way and whats the meaning... So i can change my Name...

Thanks