Where does “se” come from?

se (Deg Xinag) comes from Proto-Athabaskan *šiˑ — First-person singular pronoun; I, me.

Ancestry of “se”, step by step

StepLanguageWordMeaning
1Proto-Athabaskan*šiˑFirst-person singular pronoun; I, me
Every word from Proto-Athabaskan *šiˑ