Where does “Guttorm” come from?

Guttorm (Norwegian) comes from Old Norse Guðþormr, from Old Norse guð, from Proto-Germanic gudą, from Proto-Germanic gastiz, from Proto-Indo-European gʰóstis, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

Ancestry of “Guttorm”, step by step

StepLanguageWordMeaning
1Old NorseGuðþormr
2Old NorseguðGod m; god, deity n
3Proto-Germanicgudąinvoked one; god, deity
4Proto-Germanicgastizstranger, guest
5Proto-Indo-Europeangʰóstisstranger, host
6Proto-Indo-European-tisDerives abstract/action nouns from verb roots

Words derived from “Guttorm

Every word from Proto-Indo-European -tisEvery word from Proto-Indo-European gʰóstisEvery word from Proto-Germanic gastiz