Switzerland
来自Big Physics
wiktionary
Compound of Switzer + -land, adopted in the 16th century from Early Modern German Schwytzerland(“land of the Swiss”).
etymonline
Switzerland
named for Schwyz, one of its original cantons. On postage stamps, etc., identified by the Roman name for the region, Helvetia, to avoid having to print the four different forms of the name in the country's four official languages: Suisse, Schweiz, Svizzera, Svizra.
