Laozi is the ancient Chinese philosopher traditionally regarded as the founder of Daoism; his name, often rendered in English as Lao-tzu or Laozi, refers to the person credited with writing the Dao De Jing. The term also appears as a title meaning “Old Master.” In pronunciation practice, it is treated as a two-syllable proper noun from Mandarin origin, with a distinct tonal and syllabic structure that can be challenging for non-Chinese speakers.
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