Where does “格拉茨” come from?

格拉茨 (Chinese) comes from German Graz, from German Gratz, from Proto-Slavic gradьcь, from Proto-Slavic gordъ, from Proto-Balto-Slavic gardas, from Proto-Indo-European gʰerdʰ- — to enclose, to encircle; enclosure, fence, belt.

Ancestry of “格拉茨”, step by step

StepLanguageWordMeaning
1GermanGraz—
2GermanGratz—
3Proto-Slavicgradьcьsmall castle
4Proto-Slavicgordъfortification, castle; town, city
5Proto-Balto-Slavicgardasenclosure
6Proto-Indo-Europeangʰerdʰ-to enclose, to encircle; enclosure, fence, belt
Every word from Proto-Indo-European gʰerdʰ- →Every word from Proto-Balto-Slavic gardas →Every word from Proto-Slavic gordъ →