Where does “dertene” come from?

dertene (Middle Dutch) comes from Old Dutch thritēn, from Proto-Germanic þritehun, from Proto-Germanic tehun, from Proto-Indo-European déḱm̥t — ten.

Ancestry of “dertene”, step by step

StepLanguageWordMeaning
1Old Dutchthritēn
2Proto-Germanicþritehunthirteen
3Proto-Germanictehunten
4Proto-Indo-Europeandéḱm̥tten

Words derived from “dertene

Every word from Proto-Indo-European déḱm̥tEvery word from Proto-Germanic tehunEvery word from Proto-Germanic þritehun