āklersēsmäⁿ noun
( plural éclaircissements -äⁿ(z))
Etymology: French, from Middle French esclaircissement, alteration (influenced by Middle French cler, clair clear, bright) of Old French esclarcissement, from esclarciss- (stem of esclarcir to light up, illuminate, from — assumed — Vulgar Latin exclaricire, alteration of — assumed — Vulgar Latin exclaricare, from Latin ex- + claricare to glow, gleam, from clarus ) + -ment
: the clearing up of something obscure : enlightenment