Where does “tēi” come from?

tēi (Old Frisian) comes from Proto-Germanic tanhuz, from Proto-Indo-European denḱ- — to bite.

Ancestry of “tēi”, step by step

StepLanguageWordMeaning
1Proto-Germanictanhuzholding together; clinging; sticky; tenacious;...
2Proto-Indo-Europeandenḱ-to bite

Words derived from “tēi”

Every word from Proto-Indo-European denḱ- →Every word from Proto-Germanic tanhuz →
tēi — Etymology, Origin & Word History | Etymology Explorer