Where does “separation anxiety disorder” come from?

separation anxiety disorder (English) comes from English separation, from Old French separacion, from Latin separatio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis- — small stone, pebble; gravel, rubble.

separation anxiety disorder (English): A psychological condition in which an individual...

Definitions

  1. A psychological condition in which an individual...

Ancestry of “separation anxiety disorder”, step by step

separation anxiety disorder traces back through 3 separate lines of ancestry.

via English separation

StepLanguageWordMeaning
1EnglishseparationThe act of disuniting two or more things, or the...
2Old Frenchseparacion
3Latinseparatiosevering, separation; division
4Latin-tiōtion, -ation, -ing
5Latindissertātiō(spoken) dissertation, discourse, disquisition
6Latindissertusarranged, disposed; explained
7Latindissereresecond-person singular future passive indicative...
8Latindis-asunder, apart, in two; reversal, removal;...
9Latincalceusshoe
10Latincalxlimestone; chalk; the finish line
11Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English anxiety

StepLanguageWordMeaning
1EnglishanxietyAn unpleasant state of mental uneasiness,...
2Latinanxietāsanxiety
3Latin-tāsty, -dom, -hood, -ness, -ship
4Proto-Indo-European-teh₂tsUsed to form nouns representing state of being
5Proto-Indo-European-teh₂Used to form nouns representing state of being
6Proto-Indo-European-tósCreates verbal adjectives from verb stems

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-