Where does “frostujo” come from?

frostujo (Esperanto) comes from Esperanto frosto, from German frost, from Middle High German vrost, from Old High German frost, from Proto-West Germanic *frost, from Proto-Germanic frustaz, from Proto-Indo-European prustós — frost.

frostujo (Esperanto): freezer

Definitions

  1. freezer

Ancestry of “frostujo”, step by step

StepLanguageWordMeaning
1Esperantofrostofreezing cold, frost
2Germanfrostfrost; freezing weather weather conditions below 0 °C
3Middle High Germanvrost—
4Old High Germanfrostfrost
5Proto-West Germanic*frost—
6Proto-Germanicfrustazcold; frost; freezing weather; frost; rime
7Proto-Indo-Europeanprustósfrost
Every word from Proto-Indo-European prustós →Every word from Proto-Germanic frustaz →Every word from Proto-West Germanic *frost →