Where does “-sk” come from?

-sk (Old Norse) comes from Proto-Germanic *sek, from Proto-Indo-European swe-, from Proto-Indo-European swé — self.

Ancestry of “-sk”, step by step

StepLanguageWordMeaning
1Proto-Germanic*sek—
2Proto-Indo-Europeanswe-self
3Proto-Indo-Europeanswéself

Words derived from “-sk”

Every word from Proto-Indo-European swé →Every word from Proto-Indo-European swe- →Every word from Proto-Germanic *sek →