missight

English

Etymology

mis- +‎ sight

Noun

missight (uncountable)

1. (rare) Sight proved to be wrong; an instance of seeing something that turned out to be something else or nothing at all.
   • 2009, Pamela Freeman, Full Circle‎^[1]:

     Perhaps this — whatever it was — was just a missight, so to speak, because her eyes weren't working properly.