Where does “derangedness” come from?

derangedness (English) comes from English deranged, from English derange, from French déranger, from Old French desrengier, from Old French des, from Old French de, from Latin datum, from Latin datus — to give.

derangedness (English): The state or quality of being deranged

Definitions

  1. The state or quality of being deranged

Ancestry of “derangedness”, step by step

derangedness traces back through two separate lines of ancestry.

via English deranged

StepLanguageWordMeaning
1Englishderangeddisturbed or upset, especially mentally; insane;...
2EnglishderangeTo cause to go insane or become deranged; To...
3Frenchdérangerto bother; to disrupt; to disarray/disarrange
4Old Frenchdesrengierto disarrange; to cause mayhem or havoc
5Old Frenchdes
6Old Frenchdeof; from
7Latindatumgift, present; accusative supine of dō;...
8Latindatusgiven; offered; yielded
9Latindāre
10Proto-Italicdidōgive
11Proto-Indo-Europeandédeh₃tito be giving
12Proto-Indo-Europeandeh₃-to give

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 Proto-Indo-European deh₃-
derangedness — Etymology, Origin & Word History | Etymology Explorer