Probably from Chinese 箭 (MC tsjenH, “arrow”), as in 箭豬/箭猪 (jiànzhū, “porcupine”).
cenh (Sawndip forms 𰠾 or 𫞣 or ⿰犭前 or 箭 or 𤠶 or 㹽 or 錢, 1957–1982 spelling cenƅ)