Where does “dat” come from?

dat (West Frisian) comes from West Frisian dy, from Old Frisian thī, from Proto-Germanic þiz, from Proto-Indo-European te, from Proto-Indo-European túh₂ — you, thou.

dat (West Frisian): that; neuter of dy

Definitions

  1. that; neuter of dy

Ancestry of “dat”, step by step

StepLanguageWordMeaning
1West Frisiandythat, those; object of do
2Old Frisianthīthat
3Proto-Germanicþizdative/instrumental of *þū
4Proto-Indo-Europeanteclitic accusative of *túh₂: thee
5Proto-Indo-Europeantúh₂you, thou
Every word from Proto-Indo-European túh₂ →Every word from Proto-Indo-European te →Every word from Proto-Germanic þiz →