Where does “Irrlehre” come from?

Irrlehre (German) comes from German Lehre, from Middle High German lēre, from Old High German lēra, from Proto-West Germanic laiʀu, from Proto-Germanic laizō, from Proto-Germanic laizijaną, from Proto-Indo-European loyséyeti, from Proto-Indo-European leys — to trace; to track.

Irrlehre (German): heresy

Definitions

  1. heresy

Ancestry of “Irrlehre”, step by step

Irrlehre traces back through two separate lines of ancestry.

via German Lehre

StepLanguageWordMeaning
1GermanLehreteaching, tenet; apprenticeship; doctrine
2Middle High Germanlēre
3Old High Germanlērateaching, lore
4Proto-West Germaniclaiʀu
5Proto-Germaniclaizōteaching; lore; doctrine
6Proto-Germaniclaizijanąto teach
7Proto-Indo-Europeanloyséyeti
8Proto-Indo-Europeanleysto trace; to track

via German irren

StepLanguageWordMeaning
1Germanirrento wander; to err
2Middle High Germanirren
3Old High Germanirrento wander
4Proto-West Germanic*irʀijanto delude, mislead
5Proto-Germanicirzijanąto delude, mislead
6Proto-Indo-Europeanh₁ers-to flow
Every word from Proto-Indo-European leys