Where does “unreasoningness” come from?

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

unreasoningness (English): The quality of being unreasoning

Definitions

  1. The quality of being unreasoning

Ancestry of “unreasoningness”, step by step

unreasoningness traces back through two separate lines of ancestry.

via English unreasoning

StepLanguageWordMeaning
1EnglishunreasoningBehaving without reason
2EnglishreasoningThe deduction of inferences or interpretations...
3EnglishreasonA cause
4Middle Englishresounresound; reason
5Anglo-NormanraisunAlternative form of reson
6Old Frenchresonlogic, logical reasoning
7Latinratiōreason, reasoning, explanation, ground, motive, rationality, rationale, purpose
8Latin-tiōtion, -ation, -ing
9Latindissertātiō(spoken) dissertation, discourse, disquisition
10Latindissertusarranged, disposed; explained
11Latindissereresecond-person singular future passive indicative...
12Latindis-asunder, apart, in two; reversal, removal;...
13Latincalceusshoe
14Latincalxlimestone; chalk; the finish line
15Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Ancient Greek χάλιξ
unreasoningness — Etymology, Origin & Word History | Etymology Explorer