代: Substitute, act on behalf of, represent.
楠: Nan bamboo, nan wood. In personal names, "Nan" conveys the meanings of steadfastness, stability, nobility, and extraordinary qualities.
Meaning: The name 'Dainan' sounds melodious; 'Dai' implies inheritance and continuity, while 'Nan' symbolizes resilience and nobility, akin to the precious nanmu wood.