Where does “Fries” come from?

Fries (English) comes from English Friesland, from Middle English Frīsland, from Old English Frīsland, from Old Frisian Frīsa, from Esperanto friso, from French frison, from French Frise, from Middle French frise — around; very; round about.

Ancestry of “Fries”, step by step

Fries traces back through two separate lines of ancestry.

via English Friesland

StepLanguageWordMeaning
1EnglishFriesland
2Middle EnglishFrīsland
3Old EnglishFrīslandFrisia
4Old FrisianFrīsa
5Esperantofrisofrieze; Frisian
6Frenchfrisona lock of hair; Frisian, from or pertaining to...
7FrenchFrise
8Middle Frenchfrise
9Italianfris
10Medieval Latinfrisum
11Latinfrigium
12Arabicإِفْرِيزking beam, cornice
13Classical Syriacܦܪܝܙܘܡܐ
14Ancient GreekπερίζωμαA loincloth worn around the waist
15Ancient Greekπερῐ-around; very; round about

via French friche

StepLanguageWordMeaning
1Frenchfrichefallow land; wasteland
Every word from Ancient Greek περῐ-Every word from Ancient Greek περίζωμαEvery word from Classical Syriac ܦܪܝܙܘܡܐ