Where does “an” come from?

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

an (Bourguignon): year; in; "used to indicate an indefinite...

Definitions

  1. year; in; "used to indicate an indefinite...

Ancestry of “an”, step by step

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