Where does “ဂရိတ်ဗြိတိန်” come from?

ဂရိတ်ဗြိတိန် (Burmese) comes from English Great Britain, from Middle English Great Brittaigne.

Ancestry of “ဂရိတ်ဗြိတိန်”, step by step

StepLanguageWordMeaning
1EnglishGreat BritainEngland, Scotland and Wales in combination, to the exclusion of Northern Ireland
2Middle EnglishGreat Brittaigne
Every word from Middle English Great BrittaigneEvery word from English Great Britain