Indigenous Aryans were inter-related, and the notion of biological race came to the forefront The "Aryan race," the presumed identity of Indo-European language speakers was prominent among such races, which was seen to be further subdivided into "European Aryans" and "Asian Aryans," each with their own homelands. Max Mueller, who translated the Rigveda during 1849–1874, postulated an original homeland for all Aryans in central Asia, from where a northern branch was believed to have migrated to Europe and a southern branch came to India and Iran. The Aryans were fair-complexioned Indo-European speakers who conquered the dark-skinned "dasas" of India. The upper castes,
Name of Mexico of the War God." Another hypothesis suggests that "Mēxihco" derives from a portmanteau of the Nahuatl words for "moon" ("mētztli") and navel ("xīctli"). This meaning ("Place at the Center of the Moon") might then refer to Tenochtitlan's position in the middle of Lake Texcoco. The system of interconnected lakes, of which Texcoco formed the center, had the form of a rabbit, which the Mesoamericans pareidolically associated with the moon. Still another hypothesis offers that it is derived from "Mectli," the goddess of maguey. These last two suggestions are deprecated by linguist Frances Karttunen, since the final form "Mēxihco" differs in