Where does “thuo” come from?

thuo (Old Dutch) comes from Proto-Germanic þō, from Proto-Germanic sa, from Proto-Indo-European só — this; that.

Ancestry of “thuo”, step by step

StepLanguageWordMeaning
1Proto-Germanicþōthey, those
2Proto-Germanicsathat
3Proto-Indo-Europeansóthis; that

Words derived from “thuo”

Every word from Proto-Indo-European só →Every word from Proto-Germanic sa →Every word from Proto-Germanic þō →
thuo — Etymology, Origin & Word History | Etymology Explorer