Where does “thē” come from?

thē (Old Danish) comes from Old Norse þeir, from Proto-Germanic þai, from Proto-Indo-European to-, from Proto-Indo-European só — this; that.

Ancestry of “thē”, step by step

StepLanguageWordMeaning
1Old Norseþeirthose; they
2Proto-Germanicþaithey; those; nominative plural masculine of *sa
3Proto-Indo-Europeanto-it; that; the, that
4Proto-Indo-Europeansóthis; that

Words derived from “thē”

Every word from Proto-Indo-European só →Every word from Proto-Indo-European to- →Every word from Proto-Germanic þai →