Etymology Explorer › Proto-Indo-European

Where does “h₂ri-dʰh₁-mó-s” come from?

h₂ri-dʰh₁-mó-s (Proto-Indo-European) comes from Proto-Indo-European h₂rey-, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

Ancestry of “h₂ri-dʰh₁-mó-s”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanh₂rey-to count, count out; to arrange
2Proto-Indo-Europeanh₂er-to fit, to fix, to put together

Words derived from “h₂ri-dʰh₁-mó-s”

  • arithmetic
  • arithmetical
  • arithmetically
  • arithmetician
  • nonarithmetic
  • unarithmetical
  • hyperarithmetical
  • arithmancy
  • hyperarithmetic
  • clarithmetic
  • arithmogram
  • arithmeticity
  • arithmetica
  • arithmeticus
  • aritmético
  • aritmética
  • aritmetica
  • aritmetico
  • arithmétique
  • arithméticien
  • arithmomanie
  • aritmetiko
  • aritmetikilo
  • aritmetica
Every word from Proto-Indo-European h₂er- →