Where does “tr” come from?

tr (Scottish Gaelic) comes from Scottish Gaelic troigh, from Old Irish tráig, from Proto-Celtic tregess, from Proto-Indo-European tregʰ-, from Proto-Indo-European dʰregʰ- — to run.

tr (Scottish Gaelic): ft

Definitions

  1. ft

Ancestry of “tr”, step by step

StepLanguageWordMeaning
1Scottish Gaelictroighfoot
2Old Irishtráigstrand, shore; ebb tide; exhaustion, death
3Proto-Celtictregessfoot
4Proto-Indo-Europeantregʰ-to drag, pull?; to run, walk
5Proto-Indo-Europeandʰregʰ-to run
Every word from Proto-Indo-European dʰregʰ- →Every word from Proto-Indo-European tregʰ- →Every word from Proto-Celtic tregess →
tr — Etymology, Origin & Word History | Etymology Explorer