[in-er-uh nt, -ur-]
free from error; infallible.
- inert gas
Origin of inerrant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
1650s, in reference to "fixed" stars (as opposed to "wandering" planets), from Latin inerrantem (nominative inerrans) "not wandering," from in- "not, opposite of" (see in- (1)) + errans, present participle of errare "to err" (see err).
Online Etymology Dictionary, © 2010 Douglas Harper