re-expound
/ˌriːɪkˈspaʊnd/ /ˌriːɛkˈspaʊnd/(also reëxpound)
verb
[with object] To expound (a principle, idea, etc.) again or further.
Origin
Early 17th century; earliest use found in Randle Cotgrave (fl. 1587–?1630), lexicographer. From re- + expound.