Where does “birretum” come from?

birretum (Medieval Latin) comes from Late Latin birrus, from Gaulish birrus, from Proto-Celtic birros — short.

Ancestry of “birretum”, step by step

StepLanguageWordMeaning
1Late Latinbirrusa kind of cloak; large hooded cloak; hooded coat
2Gaulishbirrusshort cloak
3Proto-Celticbirrosshort

Words derived from “birretum”

Every word from Proto-Celtic birros →Every word from Gaulish birrus →Every word from Late Latin birrus →