E / ēvŏlūtĭo
noun hapax

ēvŏlūtĭo

gen. ēvŏlūtōnis · gender feminine · decl. 3rd
evolvo, I. B. 1.
an unrolling; opening; a reading
an unrolling or opening of a book; hence, a reading: quid poëtarum evolutio voluptatis affert? Cic. Fin. 1, 7, 25.