English word probability comes from Latin probus, and later Latin probabilior (Likelier, more probable.)
| Dictionary entry | Language | Definition |
|---|---|---|
| probus | Latin (lat) | (morally) upright, honest, virtuous. Good, serviceable, excellent, superior, able. |
| probo | Latin (lat) | I acquit, exonerate. I approve, commend. I demonstrate, prove. I test, inspect. |
| probabilior | Latin (lat) | Likelier, more probable. |
| probabilitas | Latin (lat) | Credibility. Probability. |
| probabilite | Middle French (ca. 1400-1600) (frm) | |
| probability | English (en) | (mathematics) a number, between 0 and 1, expressing the precise likelihood of an event happening. An event that is likely to occur. The relative likelihood of an event happening. The state of being probable; likelihood. |