Where does “hörrni” come from?

hörrni (Swedish) comes from Swedish ni, from Old Swedish I, from Old Norse í, from Proto-Germanic in, from Proto-Indo-European én — in.

Ancestry of “hörrni”, step by step

hörrni traces back through two separate lines of ancestry.

via Swedish ni

StepLanguageWordMeaning
1Swedishniyou
2Old SwedishI
3Old Norseíin
4Proto-Germanicinin; into
5Proto-Indo-Europeanénin

via Swedish hör

StepLanguageWordMeaning
1Swedishhöradultery, fornication sex with someone who is not one's spouse, or sex between unmarried people – sexual immorality: begå hor “commit adultery”
Every word from Proto-Indo-European énEvery word from Proto-Germanic inEvery word from Old Norse í