Contextual Variant Characters in Naxi Dongba Script and Their Evolution
This article examines "contextual variant characters" (语境异体字) in Naxi Dongba script, the world's only living pictographic writing system, still in an early stage of development. Such variants arise when, before graphic forms fully stabilize, different symbols with a shared core meaning are chosen to represent the same word depending on context. Analyzing examples from the Naxi Pictograph Dictionary, the authors classify these compound characters by semantic structure: agent+action, agent+action+patient, action+patient, tool+action, and action+location, among others. Each structure combines an invariant core meaning with a variable supplementary meaning tied to context. As word-recording precision develops, the supplementary meaning shifts from fixed to loosened to eventually dropped, reflecting three stages of lexical differentiation (undifferentiated, differentiating, differentiated) and corresponding character usage patterns (exclusive use, mutual substitution, fixed general use), illustrating early script evolution.
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