Where does “alun” come from?

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

alun (Middle French): alum

Definitions

  1. alum

Ancestry of “alun”, step by step

StepLanguageWordMeaning
1Old Frenchalumalum
2Latinalūmenalum
3English-ium1997, Bryan Pfaffenberger, "Official Microsoft...
4Latin-umnominative neuter singular of -us; accusative...
5Proto-Italic*-om—
6Proto-Indo-European*-oHom—
Every word from Proto-Indo-European *-oHom →Every word from English -ium →Every word from Latin alūmen →