Where does “Breatain” come from?

Breatain (Irish) comes from Old Irish Bretain, from Latin Brittōnēs.

Ancestry of “Breatain”, step by step

StepLanguageWordMeaning
1Old IrishBretainBritain
2LatinBrittōnēs—
Every word from Latin Brittōnēs →Every word from Old Irish Bretain →
Breatain — Etymology, Origin & Word History | Etymology Explorer