Definition: Kleos is a term used in epic poetry that means immortal fame, but can also mean rumor or renown. A Greek soldier can earn kleos through his courage. A monument can bring kleos, as can reports of one's offspring's virtuous deeds.
Reference:
"The Kleos of Telemachus: Odyssey 1.95," by Peter V. Jones. The American Journal of Philology, Vol. 109, No. 4 (Winter, 1988), pp. 496-506.

