Where does “erren” come from?

erren (Middle English) comes from Old French errer, from Latin errantem, from Latin errō, from Proto-Italic erzāō, from Proto-Indo-European h₁ers- — to flow.

Ancestry of “erren”, step by step

StepLanguageWordMeaning
1Old Frencherrerto walk (to); to wander (to)
2Latinerrantemaccusative masculine singular of errāns;...
3Latinerrōto wander, rove, stray, roam
4Proto-Italicerzāōroam, wander; go astray, waver
5Proto-Indo-Europeanh₁ers-to flow

Words derived from “erren”

Every word from Proto-Indo-European h₁ers- →Every word from Proto-Italic erzāō →Every word from Latin errō →