'anglos' originates from Late Latin, specifically the word 'Anglus', where 'Angli' meant 'the Angles' (a Germanic tribe).

'Angli' transformed into the Medieval Latin form 'Anglus' and the combining form 'Anglo-', then entered Middle and Modern English as 'Anglo' (noun/adjective), and eventually the plural 'anglos' became the modern English plural form.

Initially, it meant 'an Angle' or 'an Englishman', but over time it broadened to its current senses of 'people of English descent' and, regionally, 'non-Hispanic white people' or 'English-speaking people'.