1historical In the rhetorical theory of Peter Ramus (1515–72): the deliberate embellishment or obscuring of plain meaning or logical argument by use of metaphor, digressions, reordering of ideas, etc.
rare in 18th and 19th centuries.
Cryptic coloration or behaviour; = crypticity .
Late 16th century; earliest use found in Dudley Fenner (c1558–1587), Church of England clergyman and Calvinist theologian. From post-classical Latin crypsis from ancient Greek κρύψις hiding, concealment from κρυπτός hidden + -σις.