Where does “Themse” come from?

Themse (German) comes from Old English Temese, from Latin Tamesis, from Proto-Brythonic *Tamesis.

Ancestry of “Themse”, step by step

StepLanguageWordMeaning
1Old EnglishTemese—
2LatinTamesisthe Thames a river in Britain that runs through London
3Proto-Brythonic*Tamesis—

Words derived from “Themse”

Every word from Proto-Brythonic *Tamesis →Every word from Latin Tamesis →Every word from Old English Temese →