Where does “ripper” come from?

ripper (Middle French) comes from Old French riper, from Proto-West Germanic wrīban, from Proto-Germanic wrībaną, from Proto-Indo-European werp-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

Ancestry of “ripper”, step by step

StepLanguageWordMeaning
1Old Frenchriper
2Proto-West Germanicwrībanto rub; to wipe
3Proto-Germanicwrībanąto rub; to wipe
4Proto-Indo-Europeanwerp-to bend
5Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel
Every word from Proto-Indo-European wer-Every word from Proto-Indo-European werp-Every word from Proto-Germanic wrībaną