Where does “sad” come from?

sad (Old Czech) comes from Proto-Slavic sadъ, from Finnish sadas, from Proto-Finnic sadac, from Proto-Slavic *sǫdakъ — zander; any fish of the genus Sander.

Ancestry of “sad”, step by step

StepLanguageWordMeaning
1Proto-Slavicsadъplant, garden
2Finnishsadashundredth; Second-person singular imperative...
3Proto-Finnicsadachundredth
4Proto-Slavic*sǫdakъzander; any fish of the genus Sander

Words derived from “sad”

Every word from Proto-Slavic *sǫdakъ →Every word from Proto-Finnic sadac →Every word from Finnish sadas →