Genealogy / I am of Polish descent (i am something called kashoop). Kaszub, Kashubian? [19]

i am the third generation in my family to be born in america, my great grandfather andrew schawitsch migrated to america and changed the name to schawitsch, to americanize it, not even sure how to spell the original, but it is pronounced jukavitch, i remember seeing it once, it had like 15 letters, very few vowels

Merged: Help researching family genealogy

im trying to research my family history, but i do not know the original spelling of my family's last name, anyone know where to start?