Where does “svekra” come from?

svekra (Old Czech) comes from Proto-Slavic svekry, from Proto-Indo-European sweḱrúh₂, from Proto-Indo-European swéḱuros — father-in-law.

Ancestry of “svekra”, step by step

StepLanguageWordMeaning
1Proto-Slavicsvekrywoman's mother-in-law
2Proto-Indo-Europeansweḱrúh₂mother-in-law
3Proto-Indo-Europeanswéḱurosfather-in-law
Every word from Proto-Indo-European swéḱuros →Every word from Proto-Indo-European sweḱrúh₂ →Every word from Proto-Slavic svekry →