suffix -ko

From: Joao
Message: 29387
Date: 2004-01-11

Is there common origin bewteen ethnomymic suffixes of Italic Osci (<*Opsko-) and Germanic Cherusci (Heruskaz). Something like *-kos, PIE "ethnomymic suffix"? Are there analogous suffixes in another IE languages?
 
 
Joao SL