Where does “Tamesas” come from?

Tamesas (Latin) comes from Proto-Celtic tamesās, from Proto-Celtic tames, from Proto-Indo-European tm̥Hes-, from Proto-Indo-European témHes-, from Proto-Indo-European temH- — dark.

Ancestry of “Tamesas”, step by step

StepLanguageWordMeaning
1Proto-Celtictamesāsriver, waters
2Proto-Celtictames—
3Proto-Indo-Europeantm̥Hes-—
4Proto-Indo-EuropeantémHes-—
5Proto-Indo-EuropeantemH-dark
Every word from Proto-Indo-European temH- →Every word from Proto-Indo-European témHes- →Every word from Proto-Indo-European tm̥Hes- →