English word cosmochronology comes from English chronology, English cosmo- (Universe, world.)
| Dictionary entry | Language | Definition |
|---|---|---|
| chronology | English (eng) | (countable) an arrangement of events into chronological order; called a timeline when involving graphical elements.. (uncountable) the science of determining the order in which events occurred. |
| cosmo- | English (eng) | Universe, world. |
| cosmochronology | English (eng) | The science of determining timescales for astrophysical objects and events. |