Where does “diseased” come from?

Diseased derives from Middle English diseased, from Old English diseased, from Proto-Germanic *diseadaz, ultimately from Proto-Indo-European roots meaning "separated" or "apart."

diseased (English): Affected with or suffering from disease; simple...

Definitions

  1. Affected with or suffering from disease; simple...

Ancestry of “diseased”, step by step

diseased traces back through two separate lines of ancestry.

via English disease

StepLanguageWordMeaning
1EnglishdiseaseAn abnormal condition of a human, animal or plant...
2Middle Englishdisese
3Anglo-Normandesese
4Old Frenchdesaisedisease; deformity; melancholy
5Old Frencheiseease
6Latinadiacēnsadjacent, adjoining, neighbouring
7LatinadiaceoI lie beside, at, near or next to; am adjacent...
8Latinad-to; usually prefixed to verbs, in which cases it...
9Latinīn-un-, non-, not
10Latinînin, at, on, upon, from (space)
11Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
12Proto-Italicenin
13Proto-Indo-Europeanh₁énin

via English ED

StepLanguageWordMeaning
1EnglishEDInitialism of erectile dysfunction; Initialism of...
2Japaneseエンディングending, especially of a broadcast or performance
3EnglishendingA termination or conclusion; The last part of...
4Middle EnglishendingAlternative form of endyng
5Middle EnglishendyngAn ending, termination, or conclusion;...
6Old Englishendungending
7Old Englishendianto end, make an end of; to finish, complete; to...
8Proto-Germanicandijōnąto end, bring to an end, finish
9Proto-Germanicandijazend
10Proto-Indo-Europeanh₂entíosfront; forehead
11Proto-Indo-Europeanh₂ent-face; forehead; front
12Proto-Indo-Europeanh₂en-on, onto

Words derived from “diseased

Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Latin ad-