Where does “nyntene” come from?

nyntene (Middle English) comes from Old English niġontēne, from Proto-Germanic newuntehun, from Proto-Germanic tehun, from Proto-Indo-European déḱm̥t — ten.

Ancestry of “nyntene”, step by step

Step	Language	Word	Meaning
1	Old English	niġontēne	—
2	Proto-Germanic	newuntehun	nineteen
3	Proto-Germanic	tehun	ten
4	Proto-Indo-European	déḱm̥t	ten

Every word from Proto-Indo-European déḱm̥t →

nyntene — Etymology, Origin & Word History | Etymology Explorer