Where does “thegen” come from?

thegen (Old Dutch) comes from Proto-Germanic *þegn, from Proto-Germanic þegnaz, from Proto-Indo-European teḱ- — to sire, beget.

Ancestry of “thegen”, step by step

StepLanguageWordMeaning
1Proto-Germanic*þegn
2Proto-Germanicþegnazretainer, servant
3Proto-Indo-Europeanteḱ-to sire, beget

Words derived from “thegen

Every word from Proto-Indo-European teḱ-Every word from Proto-Germanic þegnazEvery word from Proto-Germanic *þegn