Where does “ti” come from?

ti (Cornish) comes from English tee, from Middle English teen, from Old English tēon, from Old English tēohan, from Proto-West Germanic teuhan, from Proto-Germanic teuhaną, from Proto-Indo-European dewk- — to pull, to draw; to lead.

ti (Cornish): oath, vow

Definitions

  1. oath, vow

Ancestry of “ti”, step by step

ti traces back through 3 separate lines of ancestry.

via English tee

StepLanguageWordMeaning
1EnglishteeThe name of the Latin-script letter T; Something...
2Middle Englishteen
3Old Englishtēonto drag, draw, pull; to train, discipline; to...
4Old Englishtēohan
5Proto-West Germanicteuhanto pull; to lead
6Proto-Germanicteuhanąto lead; to pull behind oneself, draw, drag
7Proto-Indo-Europeandewk-to pull, to draw; to lead

via Cornish i

StepLanguageWordMeaning
1Cornishithey
2Englisheyesplural of eye; Third-person singular simple...
3Proto-Indo-Europeanéythe; demonstrative pronoun; this one, he
4Proto-Indo-Europeanh₁e-

via Middle Cornish tye

StepLanguageWordMeaning
1Middle Cornishtye
2Old Cornishtof
3Proto-Celtic*tungetito swear (an oath)

Words derived from “ti

Every word from Proto-Indo-European dewk-