Where does “þessir” come from?

þessir (Old Norse) comes from Old Norse þessa, from Old Norse sá, from Proto-Germanic *sa, from Proto-Austronesian *əsa, from Proto-Oceanic *isa.

Ancestry of “þessir”, step by step

StepLanguageWordMeaning
1Old Norseþessa—
2Old Norsesáthis, that; to sow; saw, "first or third-person...
3Proto-Germanic*sa—
4Proto-Austronesian*əsa—
5Proto-Oceanic*isa—
Every word from Proto-Oceanic *isa →Every word from Proto-Austronesian *əsa →Every word from Proto-Germanic *sa →
þessir — Etymology, Origin & Word History | Etymology Explorer