Elucidation (noun)
e-loo-sid-ay-shun
Explanation that makes something clear; clarification.
Mid 16th century: from late Latin elucidat- ‘made clear’, from the verb elucidare, from e- (variant of ex-) ‘out’ + lucidus ‘lucid’.
Example sentences
“We feel that the elucidation of some ground rules may help.”