Kleos — glory as sonic phenomenon, as poetic institution, as existential wager — occupies a foundational position in the depth-psychology library’s treatment of archaic heroic culture. Gregory Nagy’s monumental analysis dominates the corpus, establishing kleos not merely as renown but as the very medium through which Hellenic poetry constitutes itself. Etymologically rooted in the verb kluô (‘to hear’), kleos designates ‘that which is heard,’ yet through the poet’s sovereign act of transmission, it becomes glory itself: the Muses hear, the poet recites, the audience receives, and the hero is immortalized. Nagy demonstrates that kleos aphthiton — ‘unfailing glory’ — functions as Achilles’ explicit compensation for the forfeited nostos, a bargain crystallized at Iliad IX 413, where the two terms stand in irreducible tension. Kleos thus operates at the intersection of mortality, memory, and Panhellenic poetic authority: it is what cult’s timê cannot provide but Epos alone can confer. The corpus further reveals kleos operating reciprocally — between Odysseus and Penelope, between hero and tradition, between local cult and the universalizing epic project. Beekes supplies the etymological anchoring, tracing kleos to the IE root *kleu-s-, confirming the acoustic register that Nagy’s thematic reading presupposes. What the corpus as a whole makes clear is that kleos is not praise incidentally rendered but glory structurally produced by the poetic medium itself.