Where does “Швейцарія” come from?

Швейцарія (Ukrainian) comes from Polish Szwajcaria, from Polish szwajcar, from German Schweizer, from Middle High German Swīzer, from Middle High German Swīz, from Old High German Suittes, from Old High German swīdan, from Proto-West Germanic swīþan — to press out, extract; juice; liquid, rain; to...

Ancestry of “Швейцарія”, step by step

StepLanguageWordMeaning
1PolishSzwajcaria
2Polishszwajcardoorkeeper, doorman
3GermanSchweizerfrom, of, or pertaining to Switzerland; Swiss...
4Middle High GermanSwīzermale person from the valley or the town of Schwyz
5Middle High GermanSwīzthe valley or the town of Schwyz; Schwyz
6Old High GermanSuittesthe town of Schwyz
7Old High Germanswīdanto burn
8Proto-West Germanicswīþanto burn, to singe
9Proto-Germanicswīþanąto burn, singe
10Proto-Indo-Europeanswey-to twist, swing; to hiss; whistle; to swing,...
11Proto-Indo-Europeansew-to press out, extract; juice; liquid, rain; to...
Every word from Proto-Indo-European sew-Every word from Proto-Indo-European swey-Every word from Proto-Germanic swīþaną