Where does “errar” come from?

errar (Old Portuguese) comes from Latin errō, from Proto-Italic erzāō, from Proto-Indo-European h₁ers- — to flow.

Ancestry of “errar”, step by step

StepLanguageWordMeaning
1Latinerrōto wander, rove, stray, roam
2Proto-Italicerzāōroam, wander; go astray, waver
3Proto-Indo-Europeanh₁ers-to flow

Words derived from “errar”

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