Analysis of information sources in references of the Wikipedia article "Aryan" in English language version.
...when Friedrich Schlegel, a German scholar who was an important early Indo-Europeanist, came up with a theory that linked the Indo-Iranian words with the German word Ehre, 'honor', and older Germanic names containing the element ario-, such as the Swiss [sic] warrior Ariovistus who was written about by Julius Caesar. Schlegel theorized that far from being just a designation of the Indo-Iranians, the word *arya- had in fact been what the Indo-Europeans called themselves, meaning [according to Schlegel] something like 'the honorable people.' (This theory has since been called into question.)
All of the above observations would indicate a date for the composition of the Videvdat list which would antedate, for a considerable time, the arrival in Eastern Iran of the Persian Acheamenids (ca. 550 B.C.)
Under the Nazi régime (1933–45) applied to the inhabitants of Germany of non-Jewish extraction. cf. 1933 tr. Hitler's Mein Kampf in Times 25 July 15/6: 'The exact opposite of the Aryan is the Jew.' 1933 Education 1 Sept. 170/2: 'The basic idea of the new law is that non-Aryans, that is to say mainly Jews...'