"To name is to understand. In every word about nature among the Xha'Ruun lies the observation of thousands of cycles."
— Natural History, Academy
Ruun-ak rass: → rhu [Thexar-IX, Sha-El 02, "Thel-ak Ruun"], → rhu [Thexar-IX, Sha-El 09, "Kel'vash Loans"], → rhu [Thexar-VII, Sha-El 01, "The-Xa Vokh-El"]
Mor-ven: Nature vocabulary preserves the observation of thousands of cycles. The chapter groups the lexicon of heavens, elements, and living things, each word carrying its etymology.