Where does “solium” come from?

solium (Medieval Latin) comes from Latin solium, from Proto-Indo-European sodyom, from Proto-Indo-European sḗd- — to sit.

Ancestry of “solium”, step by step

StepLanguageWordMeaning
1Latinsoliumseat, chair; throne, chair of state, official...
2Proto-Indo-Europeansodyom—
3Proto-Indo-Europeansḗd-to sit
Every word from Proto-Indo-European sḗd- →Every word from Proto-Indo-European sodyom →Every word from Latin solium →