Where does “era” come from?

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

era (Italian): age, epoch, period; era; third-person singular...

Definitions

  1. age, epoch, period; era; third-person singular...

Ancestry of “era”, step by step

era traces back through two separate lines of ancestry.

via Late Latin aera

StepLanguageWordMeaning
1Late Latinaeraera or epoch from which time is measured;...
2Latinaeraera or epoch from which time is measured;...
3Latinaesmoney, pay, fee, fare; copper, bronze, brass;...
4Proto-Italicaosbronze, copper
5Proto-Italicajos
6Proto-Indo-Europeanh₂éyosa metal, copper, bronze

via Latin erat

StepLanguageWordMeaning
1Latinerat
Every word from Proto-Indo-European h₂éyosEvery word from Proto-Italic ajosEvery word from Proto-Italic aos