Where does “disiu” come from?

disiu (Middle High German) comes from Old High German disiu, from Old High German der, from Proto-Germanic þa, from Proto-Indo-European tód, from Proto-Indo-European to-, from Proto-Indo-European só — this; that.

Ancestry of “disiu”, step by step

disiu traces back through 3 separate lines of ancestry.

via Old High German disiu

StepLanguageWordMeaning
1Old High Germandisiu—
2Old High Germanderthe
3Proto-Germanicþa—
4Proto-Indo-Europeantóddemonstrative pronoun; that; it
5Proto-Indo-Europeanto-it; that; the, that
6Proto-Indo-Europeansóthis; that

via Old High German diz

StepLanguageWordMeaning
1Old High Germandiz—
2Proto-Germanic*þitt—

via Old High German desēr

StepLanguageWordMeaning
1Old High Germandesēr—
2Proto-Germanicþatnominative/accusative singular neuter of *sa
Every word from Proto-Indo-European só →Every word from Proto-Indo-European to- →Every word from Proto-Indo-European tód →