Where does “reasonous” come from?

reasonous (English) comes from English reason, from Middle English resoun, from Anglo-Norman raisun, from Old French reson, from Latin ratiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus — small stone, pebble; gravel, rubble.

reasonous (English): Synonym of reasonable

Definitions

  1. Synonym of reasonable

Ancestry of “reasonous”, step by step

reasonous traces back through two separate lines of ancestry.

via English reason

StepLanguageWordMeaning
1EnglishreasonA cause
2Middle Englishresounresound; reason
3Anglo-NormanraisunAlternative form of reson
4Old Frenchresonlogic, logical reasoning
5Latinratiōreason, reasoning, explanation, ground, motive, rationality, rationale, purpose
6Latin-tiōtion, -ation, -ing
7Latindissertātiō(spoken) dissertation, discourse, disquisition
8Latindissertusarranged, disposed; explained
9Latindissereresecond-person singular future passive indicative...
10Latindis-asunder, apart, in two; reversal, removal;...
11Latincalceusshoe
12Latincalxlimestone; chalk; the finish line
13Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English ous

StepLanguageWordMeaning
1Englishousplural of ou
2EnglishouA probably extinct species of Hawaiian...
3AfrikaansouAn old fellow, guy, bloke; attributive form of...
4Dutchoudold
5Middle Dutchoutold
6Old Dutchald
7Proto-West Germanicaldold
8Proto-Germanicaldazold, grown up
9Proto-Indo-Europeanh₂eltós
10Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Ancient Greek χάλιξ
reasonous — Etymology, Origin & Word History | Etymology Explorer