'Zhèngzōng' literally combines 'zhèng' (correct, proper, orthodox) and 'zōng' (origin, lineage, school of thought), together conveying the idea of something being 'true to its original source or tradition.' It emphasizes authenticity, legitimacy, and adherence to established standards—often used for food, crafts, martial arts, medicine, or cultural practices that claim to follow time-honored methods or genuine regional roots.

The term carries a strong evaluative nuance: calling something 'zhèngzōng' implies it meets high criteria of fidelity—not just 'original' but 'authoritatively original.' For example, 'zhèngzōng Sichuan cuisine' means cooking that strictly follows traditional Sichuan techniques and ingredients, not a localized or modernized version. While often positive, it can sound slightly formal or even marketing-oriented when used commercially, as in 'zhèngzōng Tibetan yak butter tea.'