Where does “niguntien” come from?

niguntien (Old Dutch) comes from Proto-Germanic newuntehun, from Proto-Germanic tehun, from Proto-Indo-European déḱm̥t — ten.

Ancestry of “niguntien”, step by step

StepLanguageWordMeaning
1Proto-Germanicnewuntehunnineteen
2Proto-Germanictehunten
3Proto-Indo-Europeandéḱm̥tten
Every word from Proto-Indo-European déḱm̥t →Every word from Proto-Germanic tehun →Every word from Proto-Germanic newuntehun →