Where does “conversion disorder” come from?

conversion disorder (English) comes from English conversion, from Middle English conversion, from Anglo-Norman conversion, from Latin conversiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

conversion disorder (English): A condition where the patient displays neurological symptoms such as numbness, blindness, paralysis, or fits, but without any neurological explanation, usually traced back to a psychological trigger

Definitions

  1. A condition where the patient displays neurological symptoms such as numbness, blindness, paralysis, or fits, but without any neurological explanation, usually traced back to a psychological trigger

Ancestry of “conversion disorder”, step by step

conversion disorder traces back through two separate lines of ancestry.

via English conversion

StepLanguageWordMeaning
1EnglishconversionThe act of converting something or someone; A...
2Middle Englishconversion
3Anglo-Normanconversion
4Latinconversiōthe act of turning round or revolving; revolution
5Latin-tiōtion, -ation, -ing
6Latindissertātiō(spoken) dissertation, discourse, disquisition
7Latindissertusarranged, disposed; explained
8Latindissereresecond-person singular future passive indicative...
9Latindis-asunder, apart, in two; reversal, removal;...
10Latincalceusshoe
11Latincalxlimestone; chalk; the finish line
12Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English disorder

StepLanguageWordMeaning
1EnglishdisorderAbsence of order; state of not being arranged in...
2Middle Englishdisordeine
3Old Frenchdesordainer
4Medieval Latindisordinare
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-