Jaunzems (Latvian) comes from Latvian zeme, from Proto-Balto-Slavic źemē, from Proto-Indo-European ǵʰðʰem-, from Proto-Indo-European dʰéǵʰōm, from Proto-Indo-European -ōm, from Proto-Indo-European -mi.
Ancestry of “Jaunzems”, step by step
Jaunzems traces back through two separate lines of ancestry.