Where does “wart” come from?

wart (Middle High German) comes from Old High German wart, from Proto-West Germanic *ward, from Proto-Germanic wardaz, from Proto-Germanic werþaz, from Proto-Indo-European wert-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

Ancestry of “wart”, step by step

StepLanguageWordMeaning
1Old High Germanwart
2Proto-West Germanic*wardguard, guardian
3Proto-Germanicwardazturned; turned toward; facing; Alternative form...
4Proto-Germanicwerþazworthy, valuable
5Proto-Indo-Europeanwert-to turn, to rotate
6Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel

Words derived from “wart

Every word from Proto-Indo-European wer-Every word from Proto-Indo-European wert-Every word from Proto-Germanic werþaz