Where does “gwiber” come from?

gwiber (Middle Welsh) comes from Proto-Brythonic *gwiber, from Latin vīpera — adder, snake, serpent, viper.

Ancestry of “gwiber”, step by step

StepLanguageWordMeaning
1Proto-Brythonic*gwiber—
2Latinvīperaadder, snake, serpent, viper

Words derived from “gwiber”

Every word from Latin vīpera →Every word from Proto-Brythonic *gwiber →