Where does “reasonless” come from?

reasonless (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.

reasonless (English): Lacking reason or purpose

Definitions

  1. Lacking reason or purpose

Ancestry of “reasonless”, step by step

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

Words derived from “reasonless

Every word from Ancient Greek χάλιξ