Where does “unreasonable” come from?
Unreasonable comes from English reason, Latin ratiō (from the root meaning "to reckon"), combined with the suffix -able from Latin -ābilis, ultimately derived from Proto-Indo-European roots expressing negation and being.
unreasonable (English): Without the ability to reason; unreasoning; Not...
Definitions
- Without the ability to reason; unreasoning; Not...
Ancestry of “unreasonable”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | reason | A cause |
| 2 | Middle English | resoun | resound; reason |
| 3 | Anglo-Norman | raisun | Alternative form of reson |
| 4 | Old French | reson | logic, logical reasoning |
| 5 | Latin | ratiō | reason, reasoning, explanation, ground, motive, rationality, rationale, purpose |
| 6 | Latin | -tiō | tion, -ation, -ing |
| 7 | Latin | dissertātiō | (spoken) dissertation, discourse, disquisition |
| 8 | Latin | dissertus | arranged, disposed; explained |
| 9 | Latin | disserere | second-person singular future passive indicative... |
| 10 | Latin | dis- | asunder, apart, in two; reversal, removal;... |
| 11 | Latin | calceus | shoe |
| 12 | Latin | calx | limestone; chalk; the finish line |
| 13 | Ancient Greek | χάλιξ | small stone, pebble; gravel, rubble |