For one, England means "land of the Angles" (or in French, "Angleterre": "Angle land"). The Anglo-Saxon majority people group of England descend from the Angle

For one, England means "land of the Angles" (or in French, "Angleterre": "Angle land"). The Anglo-Saxon majority people group of England descend from the Angles, Saxons, and Jutes, from the coastal German regions of Anglia, Old Saxony, and Jutland. There's also significant admixture from Norse invasion/settlement (and also the Normans, who were Norse who took over a region of France and adopted a dialect of the French language, before conquering England in the year 1066). Going further back in time, I'm guessing you're aware that modern Scotland corresponds roughly to the area of Britain that the Romans weren't able to conquer. The Roman settlement of Londinium became London. We also get our English word "pound" and its abbreviation "lb." from the two halves of the Latin phrase "libra pondo", dating back to Roman Britain.