"An adherent of the doctrine of acatalepsy; a sceptic", Late 17th cent.; earliest use found in Thomas Pierce (d. 1691), dean of Salisbury and religious controversialist. From post-classical Latin acatalepticus from ancient Greek ἀκατάληπτος + classical Latin -icus. Compare French acataleptique.[acataleptic etymology, acataleptic origin, 英语词源]