Where does “sei” come from?

sei (Bavarian) comes from Middle High German sein, from Old High German sīn, from Proto-West Germanic sinn, from Proto-Germanic sinnaz, from Proto-Indo-European sentnós, from Proto-Indo-European sent-, from Proto-Indo-European h₁es- — to be.

sei (Bavarian): his, its

Definitions

  1. his, its

Ancestry of “sei”, step by step

StepLanguageWordMeaning
1Middle High Germansein
2Old High Germansīnhis; to be
3Proto-West Germanicsinnsense, perception; sense, meaning; reason, mental...
4Proto-Germanicsinnazsense, perception; sense, meaning
5Proto-Indo-Europeansentnós
6Proto-Indo-Europeansent-to head for, to go, to travel; to feel
7Proto-Indo-Europeanh₁es-to be
Every word from Proto-Indo-European h₁es-Every word from Proto-Indo-European sent-Every word from Proto-Indo-European sentnós