| sv | 古 | 古 | be ancient, old | gu3 |
| sv | 古老 | 古老 | old fashion, antiquated | gu3 lao3 |
| tw | 古代 | 古代 | ancient times | gu3 dai4 |
| tw | 古今 | 古今 | ancient and modern | gu3 jin1 |
| n | 古文 | 古文 | classical Chinese | gu3 wen2 |
etymology:
retold through ten 十 mouths 口 = ancient
|考古学|考古學|archeology|
[kao3 gu3 xue2]