Where does “Dersca” come from?

Dersca (Romanian) comes from Ukrainian Дерзска, from Proto-Slavic dьrzъ, from Proto-Balto-Slavic dirs-, from Proto-Indo-European dʰr̥s-u-, from Proto-Indo-European dʰers-, from Proto-Indo-European dʰer- — to support; to hold.

Ancestry of “Dersca”, step by step

StepLanguageWordMeaning
1UkrainianДерзска
2Proto-Slavicdьrzъdaring, bold
3Proto-Balto-Slavicdirs-
4Proto-Indo-Europeandʰr̥s-u-
5Proto-Indo-Europeandʰers-to be bold, to dare
6Proto-Indo-Europeandʰer-to support; to hold
Every word from Proto-Indo-European dʰer-Every word from Proto-Indo-European dʰers-Every word from Proto-Indo-European dʰr̥s-u-