Etymology Explorer › English

Where does “-ium” come from?

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

-ium (English): 1997, Bryan Pfaffenberger, "Official Microsoft...

Definitions

  1. 1997, Bryan Pfaffenberger, "Official Microsoft...

Ancestry of “-ium”, step by step

StepLanguageWordMeaning
1Latin-umnominative neuter singular of -us; accusative...
2Proto-Italic*-om—
3Proto-Indo-European*-oHom—

Words derived from “-ium”

  • sodium
  • potassium
  • radiant
  • uranium
  • epithelium
  • ammonium
  • radiating
  • scandic
  • titanium
  • radiate
  • barium
  • radiator
  • radium
  • plutonium
  • Pentium
  • germanium
  • thorium
  • mycelium
  • deuterium
  • beryllium
  • radiantly
  • iridium
  • tritium
  • plutonic
Every word from Proto-Indo-European *-oHom →