epexegesis
Concise Oxford English Dictionary © 2008 Oxford University Press:
epexegesis /ɛˌpɛksɪˈdʒiːsɪs/
▶noun (pl. epexegeses /-siːz/) the addition of words to clarify meaning.
– derivatives
epexegetic /-ˈdʒɛtɪk/ adjective,
epexegetical adjective,
epexegetically adverb.
epexegetic /-ˈdʒɛtɪk/ adjective,
epexegetical adjective,
epexegetically adverb.
– origin C16: from Gk epexēgēsis.
'epexegesis' also found in these Oxford entries:

