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Oracle Bone ~1250-1000 BC 
Bronze Early Western Zhou ~1000 BC 
Seal Warring States (Chu) 475-221 BC 
Seal Warring States (Chu) 475-221 BC 
Seal Shuowen ~100 AD 
Seal Shuowen ~100 AD 
Clerical Qin 221-206 BC 
Clerical Western Han 202 BC-9 AD 
Clerical Western Han 202 BC-9 AD 
Clerical Western Han 202 BC-9 AD 
Clerical Eastern Han 25-220 AD 
Clerical Eastern Han 25-220 AD 
Clerical Three Kingdoms (Wu) 222-280 AD Regular Modern
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A single horizontal stroke, representing the number one.
Character Evolution
Historical Pronunciations
| Middle Chinese | Old Chinese | Gloss | |
|---|---|---|---|
| Baxter-Sagart | 'jit | ʔi[t] | one |
說文解字
《說文》：“一，惟初太始，道立於一，造分天地，化成萬物。弌，古文一。”
Sources
- Readings & variants
- Unicode
- Historical pronunciations
- Baxter-Sagart
- Historical images
- Academia Sinica
- Etymology
- Shuowen Jiezi (說文解字)