Where does “inerrancy” come from?

Inerrancy derives from English errant, which combines Latin in- (not) and Latin errāre (to wander or err), ultimately tracing to Proto-Indo-European ne (not) and oyd- (to go).

inerrancy (English): Freedom from error

Definitions

  1. Freedom from error

Ancestry of “inerrancy”, step by step

StepLanguageWordMeaning
1EnglishinerrantExhibiting inerrancy; without error
2EnglisherrantStraying from the proper course or standard, or...
3Middle Englisherraunt
4Anglo-NormanerrauntAlternative form of errant
5Old Frencherrantwandering; nomadic
6Old Frencherrerto walk (to); to wander (to)
7Latinerrantemaccusative masculine singular of errāns;...
8Latinerrōto wander, rove, stray, roam
9Proto-Italicerzāōroam, wander; go astray, waver
10Proto-Indo-Europeanh₁ers-to flow
Every word from Proto-Indo-European h₁ers-Every word from Proto-Italic erzāōEvery word from Latin errō