Where does “dei” come from?

dei (Pennsylvania German) comes from Old High German dīn, from Proto-West Germanic þīn, from Proto-Germanic þīnaz, from Proto-Indo-European téynos, from Proto-Indo-European túh₂ — you, thou.

dei (Pennsylvania German): your

Definitions

  1. your

Ancestry of “dei”, step by step

StepLanguageWordMeaning
1Old High Germandīnyour (singular)
2Proto-West Germanicþīnyour, yours
3Proto-Germanicþīnazyour, yours (thy, thine); 2nd person singular possessive
4Proto-Indo-Europeantéynosthy; thine
5Proto-Indo-Europeantúh₂you, thou
Every word from Proto-Indo-European túh₂ →Every word from Proto-Indo-European téynos →Every word from Proto-Germanic þīnaz →