Where does “irren” come from?

irren (Middle High German) comes from Old High German irren, from Proto-West Germanic *irʀijan, from Proto-Germanic irzijaną, from Proto-Indo-European h₁ers- — to flow.

Ancestry of “irren”, step by step

StepLanguageWordMeaning
1Old High Germanirrento wander
2Proto-West Germanic*irʀijanto delude, mislead
3Proto-Germanicirzijanąto delude, mislead
4Proto-Indo-Europeanh₁ers-to flow

Words derived from “irren”

Every word from Proto-Indo-European h₁ers- →Every word from Proto-Germanic irzijaną →Every word from Proto-West Germanic *irʀijan →
irren — Etymology, Origin & Word History | Etymology Explorer