Italian word ragione comes from Proto-Italic *rēōr (Reckon, calculate.. Think, deem, judge.), Proto-Indo-European *rh₁-tós, Latin reri
| Dictionary entry | Language | Definition |
|---|---|---|
| *rēōr | Proto-Italic (itc-pro) | Reckon, calculate.. Think, deem, judge. |
| *rh₁-tós | Proto-Indo-European (ine-pro) | |
| reri | Latin (lat) | |
| reor | Latin (lat) | I reckon, calculate.. I think, deem, judge. |
| *ratos | Proto-Italic (itc-pro) | Established, authoritative. Fixed, certain. |
| ratus | Latin (lat) | ; rat Established, authoritative. Fixed, certain. |
| ratio | Latin (lat) | Calculation, account. Manner, method. Reason, explanation. |
| ragione | Italian (ita) | Ratio, proportion, rate. Reason. Reason, argument, consideration. Reason, motive, ground. Right. |