Where does “Sésamo” come from?

Sésamo (Galician) comes from Proto-Celtic segos, from Proto-Indo-European seǵʰ- — to hold; to overpower.

Ancestry of “Sésamo”, step by step

StepLanguageWordMeaning
1Proto-Celticsegosforce
2Proto-Indo-Europeanseǵʰ-to hold; to overpower
Every word from Proto-Indo-European seǵʰ- →Every word from Proto-Celtic segos →