Where does “alūne” come from?

alūne (Old High German) comes from Old French alun, from Latin alūmen, from English -ium, from Latin -um, from Proto-Italic *-om, from Proto-Indo-European *-oHom.

Ancestry of “alūne”, step by step

StepLanguageWordMeaning
1Old FrenchalunAlternative form of alum
2Latinalūmenalum
3English-ium1997, Bryan Pfaffenberger, "Official Microsoft...
4Latin-umnominative neuter singular of -us; accusative...
5Proto-Italic*-om—
6Proto-Indo-European*-oHom—

Words derived from “alūne”

Every word from Proto-Indo-European *-oHom →Every word from English -ium →Every word from Latin alūmen →