| Czech | doba , geologické období |
| Chinese (simplified) | 纪元 , 代 |
| 英語 | era , geological era |
| Indonesian | waktu geologi |
| Italian | era , era geologica , età |
| 日本語 | 代 |
| Malaysian | waktu geologi |
| Hypernym: | geological_time |
| Instance: | paleozoic mesozoic cenozoic |
| Meronym–Part: | period |
| Holonym–Part: | eon |
| Semantic Field: | timen |