Where does “an” come from?

an (Occitan) comes from Old Occitan an, from Latin annus, from Proto-Italic atnos, from Proto-Indo-European h₂et-no-, from Proto-Indo-European h₂et- — grass.

an (Occitan): year; third-person plural present indicative of...

Definitions

  1. year; third-person plural present indicative of...

Ancestry of “an”, step by step

StepLanguageWordMeaning
1Old Occitananyear
2Latinannusyear; time; season
3Proto-Italicatnosyear
4Proto-Indo-Europeanh₂et-no-—
5Proto-Indo-Europeanh₂et-grass
Every word from Proto-Indo-European h₂et- →Every word from Proto-Indo-European h₂et-no- →Every word from Proto-Italic atnos →