Latin word aevitas comes from Proto-Indo-European *h₂eyu-, Proto-Indo-European *h₂ey-, Proto-Italic *-tāts (Used to form nouns representing state of being.), Proto-Italic - -tāts
| Dictionary entry | Language | Definition |
|---|---|---|
| *h₂eyu- | Proto-Indo-European (ine-pro) | |
| *h₂ey- | Proto-Indo-European (ine-pro) | |
| *-tāts | Proto-Italic (itc-pro) | Used to form nouns representing state of being. |
| - -tāts | Proto-Italic (itc-pro) | |
| aevus | Latin (lat) | |
| *aiwo- | Proto-Italic (itc-pro) | |
| *h₂óyu | Proto-Indo-European (ine-pro) | Long time, lifetime. |
| *h₂ey-u- | Proto-Indo-European (ine-pro) | |
| *aiwom | Proto-Italic (itc-pro) | Age. |
| aivom | Old Latin (itc-ola) | Age. Time, lifetime. |
| *aiwotāts | Proto-Italic (itc-pro) | Age. |
| aevom | Latin (lat) | |
| aetatis | Latin (lat) | |
| aevitas | Latin (lat) |