Where does “aerarius” come from?

aerarius (Latin) comes from Latin aes, from Proto-Italic aos, from Proto-Italic ajos, from Proto-Indo-European h₂éyos — a metal, copper, bronze.

aerarius (Latin): copper, bronze; coppersmith, bronzesmith; lowest...

Definitions

  1. copper, bronze; coppersmith, bronzesmith; lowest...

Ancestry of “aerarius”, step by step

StepLanguageWordMeaning
1Latinaesmoney, pay, fee, fare; copper, bronze, brass;...
2Proto-Italicaosbronze, copper
3Proto-Italicajos—
4Proto-Indo-Europeanh₂éyosa metal, copper, bronze
Every word from Proto-Indo-European h₂éyos →Every word from Proto-Italic ajos →Every word from Proto-Italic aos →