Where does “dhet” come from?

dhet (Old Swedish) comes from Old Norse þat, from Proto-Germanic þat, from Proto-Indo-European tód, from Proto-Indo-European to-, from Proto-Indo-European só — this; that.

Ancestry of “dhet”, step by step

StepLanguageWordMeaning
1Old Norseþatit; that
2Proto-Germanicþatnominative/accusative singular neuter of *sa
3Proto-Indo-Europeantóddemonstrative pronoun; that; it
4Proto-Indo-Europeanto-it; that; the, that
5Proto-Indo-Europeansóthis; that
Every word from Proto-Indo-European só →Every word from Proto-Indo-European to- →Every word from Proto-Indo-European tód →