Where does “*swāgr” come from?
*swāgr (Proto-West Germanic) comes from Proto-Germanic swēgraz, from Proto-Indo-European swēḱurós, from Proto-Indo-European swéḱuros — father-in-law.
*swāgr (Proto-West Germanic) comes from Proto-Germanic swēgraz, from Proto-Indo-European swēḱurós, from Proto-Indo-European swéḱuros — father-in-law.