Where does “ad-” come from?

ad- (Old Irish) comes from Old Irish uss-, from Old Irish beirid, from Proto-Celtic bereti, from English beret, from French béret, from Occitan berret, from Medieval Latin birretum, from Late Latin birrus — short.

ad- (Old Irish): to, towards; in many compounds, it has a purely...

Definitions

  1. to, towards; in many compounds, it has a purely...

Ancestry of “ad-”, step by step

StepLanguageWordMeaning
1Old Irishuss-up, off
2Old Irishbeiridto carry, bring; to bear; to give
3Proto-Celticberetito carry, bear; to flow
4EnglishberetA type of round, brimless cap with a soft top and...
5Frenchbéretberet
6Occitanberretcap
7Medieval Latinbirretum
8Late Latinbirrusa kind of cloak; large hooded cloak; hooded coat
9Gaulishbirrusshort cloak
10Proto-Celticbirrosshort

Words derived from “ad-

Every word from Proto-Celtic birrosEvery word from Gaulish birrusEvery word from Late Latin birrus