Where does “fo-” come from?

fo- (Irish) comes from Old Irish fo-, from Old Irish ad-, from Old Irish uss-, from Old Irish beirid, from Proto-Celtic bereti, from English beret, from French béret, from Occitan berret — short.

fo- (Irish): sub-, under-, hypo-, secondary, subsidiary;...

Definitions

  1. sub-, under-, hypo-, secondary, subsidiary;...

Ancestry of “fo-”, step by step

StepLanguageWordMeaning
1Old Irishfo-sub-, under-
2Old Irishad-to, towards; in many compounds, it has a purely...
3Old Irishuss-up, off
4Old Irishbeiridto carry, bring; to bear; to give
5Proto-Celticberetito carry, bear; to flow
6EnglishberetA type of round, brimless cap with a soft top and...
7Frenchbéretberet
8Occitanberretcap
9Medieval Latinbirretum
10Late Latinbirrusa kind of cloak; large hooded cloak; hooded coat
11Gaulishbirrusshort cloak
12Proto-Celticbirrosshort

Words derived from “fo-

Every word from Proto-Celtic birros