The abbreviation ‘Kl’ as it surfaces across the Seba depth-psychology corpus functions less as a stable semantic entry than as a recurring philological marker, appearing predominantly in etymological and linguistic scholarship — above all in Beekes’s Etymological Dictionary of Greek — where it designates clusters of Greek lexical roots beginning with the kappa-lambda sequence. These roots include terms of considerable cultural and psychological resonance: κλῆρος (klēros, ‘lot, allotment, inheritance’), κλέος (kleos, ‘fame, renown’), κλίνω (klinō, ‘to lean, incline’), and κλαγγή (klangē, ‘shrill cry’). The corpus reveals that many Kl- roots are contested between Indo-European etymology and Pre-Greek substrate origin, a tension that recurs throughout Beekes’s analyses. Benveniste’s contribution is notable: he situates κληρονόμος (klēronómos, ‘heir’) within a framework of legally-apportioned sharing, linking inheritance to the root nem- and the social institution of division by lot. This connects the Kl- cluster to themes of fate, inheritance, and social order that are foundational to depth-psychological readings of destiny and individuation. The remaining ‘Kl’ occurrences in the corpus are bibliographic sigla (author initials) in clinical and neuroscientific literature, offering no substantive semantic content for concordance purposes.