Means "glory of Hera" from the name of the goddess HERA
combined with Greek κλεος (kleos)
"glory". This was the name of a hero in Greek and Roman mythology
, the son of Zeus
and the mortal woman Alcmene
. After being driven insane by Hera
and killing his own children, Herakles completed twelve labours in order to atone for his crime and become immortal.