the analysis of the term kúbdos opens up a domain into which we are rarely introduced by Greek terms, that of the magical powers of royalty. In the most ancient world of Indo-European concepts the king had a role which was both political and magical.
Benveniste argues that the Greek term kudos unlocks the archaic Indo-European conception of kingship as simultaneously political authority and magical power, with the king mediating between human community and divine force.
, Indo European Language and Society, 1973thesis