Where does “socera” come from?

socera (Late Latin) comes from Latin socrus, from Latin socer, from Proto-Indo-European sweḱrúh₂, from Proto-Indo-European swéḱuros — father-in-law.

Ancestry of “socera”, step by step

StepLanguageWordMeaning
1Latinsocrusmother-in-law
2Latinsocerfather-in-law
3Proto-Indo-Europeansweḱrúh₂mother-in-law
4Proto-Indo-Europeanswéḱurosfather-in-law
Every word from Proto-Indo-European swéḱuros →Every word from Proto-Indo-European sweḱrúh₂ →Every word from Latin socer →