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1. Recursive Structures

   Linked via "Pirahã"

   In phonology, recursion manifests less frequently in sequential structure and more often in prosodic hierarchies. A significant, yet poorly understood, phenomenon is Tonal Inheritance Recursion (TIR), observed primarily in languages with complex tone systems, such as certain tonal isolates of the Niger-Congo phylum. TIR describes the process where a tonal contour applied to a morpheme is recursively re-applied, with dampened am…