Where does “dertiene” come from?

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

Ancestry of “dertiene”, step by step

dertiene traces back through two separate lines of ancestry.

via Old Dutch thritēn

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

via Old Dutch thritien

StepLanguageWordMeaning
1Old Dutchthritien—
Every word from Proto-Indo-European déḱm̥t →Every word from Proto-Germanic tehun →Every word from Proto-Germanic þritehun →