Where does “adder” come from?

adder (Middle Dutch) comes from Old Dutch nadra, from Proto-West Germanic nadrā, from Proto-Germanic nadrǭ, from Proto-Indo-European néh₁treh₂.

Ancestry of “adder”, step by step

StepLanguageWordMeaning
1Old Dutchnadraadder
2Proto-West Germanicnadrāadder; snake in general
3Proto-Germanicnadrǭadder; snake in general
4Proto-Indo-Europeannéh₁treh₂—

Words derived from “adder”

Every word from Proto-Indo-European néh₁treh₂ →Every word from Proto-Germanic nadrǭ →Every word from Proto-West Germanic nadrā →
adder — Etymology, Origin & Word History | Etymology Explorer