In ancient texts the character 亖 (four horizontal strokes) was used. The current form 四 depicts breathing through the nose and is the original form of 呬. The use of 四 as a number is a phonetic loan.
Character Evolution
Component uses
Historical Pronunciations
| Middle Chinese | Old Chinese | Gloss | |
|---|---|---|---|
| Baxter-Sagart | sijH | s.li[j]-s | four |
說文解字
《說文》：“四，陰數也。象四分之形。，古文四。亖，籀文四。”
Sources
- Character origin
- 季旭昇《說文新證》p.948
- Readings & variants
- Unicode
- Historical pronunciations
- Baxter-Sagart
- Historical images
- Academia Sinica
- Etymology
- Shuowen Jiezi (說文解字)
Original meaning: cutting edge
Depicts the cutting edge (一) of a knife blade (刀). Similar in origin to 亡. Based on the original meaning "cutting edge". The meaning later expanded to "perimeter", "area", and "square".
Components
Character Evolution
Component uses
Historical Pronunciations
| Middle Chinese | Old Chinese | Gloss | |
|---|---|---|---|
| Baxter-Sagart | pjang | C-paŋ | square |
| pjang | paŋ | method | |
| pjang | paŋ | just, then |
說文解字
《說文》：“方，併船也。象兩舟省緫頭形。汸，方或从水。”
Sources
- Character origin
- 季旭昇《說文新證》p.685-686漢語多功能字庫
- Readings & variants
- Unicode
- Historical pronunciations
- Baxter-Sagart
- Historical images
- Academia Sinica
- Etymology
- Shuowen Jiezi (說文解字)