acatalepsy
noun
acat·a·lep·sy
(ˈ)āˈkatᵊlˌepsē
plural -es
1
: an ancient Skeptic doctrine that human knowledge amounts only to probability and never to certainty
2
: real or apparent impossibility of arriving at certain knowledge or full comprehension
Word History
Etymology
Greek akatalēpsia, from a- a- entry 2 + katalēpsis comprehension, seizing + -ia
First Known Use
1640, in the meaning defined at sense 1