Where does “alum” come from?

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

alum (Old French): alum

Definitions

  1. alum

Ancestry of “alum”, step by step

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

Words derived from “alum”

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