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The Isère () is a river in the Rhône-Alpes region of southeastern France. Its source, a glacier known as the ''Sources de l'Isère'', lies in the Vanoise National Park in the Graian Alps of Savoie, near the ski resort Val d'Isère on the border with Italy. An important left-bank tributary of the Rhône, the Isère merges with it a few kilometers north of Valence. Many riverside communes have incorporated the Isère's name into their own, for example, Sainte-Hélène-sur-Isère and Romans-sur-Isère. The department of Isère is likewise named after the river. == Etymology == The name ''Isère'' was first recorded under the form ''Isara'', which means "the impetuous one, the swift one." Not originally a Celtic word, it was very likely assimilated by the Celts in ancient times. This word is related to the Indo-European '' *isərós'', meaning "impetuous, quick, vigorous," which is similar to the Sanskrit ''isiráh'' with the same definition. It was probably based on the reconstructed Indo-European root '' *eis(ə)'' (and not '' *is''), which incidentally has not been found in the Celtic languages of the British Isles.〔 The word ''Isara'' figures in the etymology of many other river names, from ancient Gaul and its neighboring lands. Examples of this are the Isar River in Germany, the small Franco-Belgian Yser River, or even the ancient name of the Oise River, ''Isara'' (the French adjective ''isarien'' still exists in the language and continues to describe anything related to the Oise). In non-Celtic countries, we find the ''Isara'', a river in Veneto, Italy, the ''Éisra'' and ''Istrà'' in Lithuania,〔 and the ''Jizera'' in the Czech Republic. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Isère (river)」の詳細全文を読む スポンサード リンク
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