Where does “Szydziak” come from?

Szydziak (Polish) comes from Polish szydzić, from Serbo-Croatian suditi, from Proto-Slavic sǫditi, from Proto-Slavic sǫdъ, from Proto-Balto-Slavic sándas, from Proto-Indo-European somdʰh₁os, from Proto-Indo-European som-, from Proto-Indo-European sem- — together, one.

Ancestry of “Szydziak”, step by step

StepLanguageWordMeaning
1Polishszydzićto mock, to taunt, to deride
2Serbo-Croatiansuditito trial; to judge
3Proto-Slavicsǫditito judge
4Proto-Slavicsǫdъcourt of law; trial; verdict, judgment
5Proto-Balto-Slavicsándas
6Proto-Indo-Europeansomdʰh₁os
7Proto-Indo-Europeansom-
8Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European sem-Every word from Proto-Indo-European som-Every word from Proto-Indo-European somdʰh₁os