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出典:Wiktionary
出典:『Wiktionary』 (2026/05/08 16:05 UTC 版)
Maybe ultimately from Celtic *tir (“land”), from Proto-Celtic *tīros from Proto-Indo-European *ters- (“dry”), i.e. "dry land".
This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.
Tyrol