Where does “Alzheimersche Krankheit” come from?

Alzheimersche Krankheit (German) comes from German Krankheit, from Middle High German krancheit, from Middle High German kranc, from Old High German krank, from Proto-West Germanic krank, from Proto-Germanic krankaz, from Proto-Indo-European ger- — to turn, bend, twist, wind; to tie, bind...

Ancestry of “Alzheimersche Krankheit”, step by step

Alzheimersche Krankheit traces back through 3 separate lines of ancestry.

via German Krankheit

StepLanguageWordMeaning
1GermanKrankheitsickness, illness; disease
2Middle High Germankrancheitsickness, illness, infirmity
3Middle High Germankranc—
4Old High Germankrank—
5Proto-West Germanickrankweak, sick
6Proto-Germanickrankazbent; crooked; weak
7Proto-Indo-Europeanger-to turn, bend, twist, wind; to tie, bind...

via German Alzheimer

StepLanguageWordMeaning
1GermanAlzheimerAlzheimer's disease
2German-erForms agent nouns etc. from verbs, suffixed to...
3Old High German-āriused to form agent nouns
4Proto-West Germanic-ārī-er
5Proto-Germanic-ārijaz-er
6Latin-āriuser
7Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via German [[-sch]]e

StepLanguageWordMeaning
1German[[-sch]]e—
Every word from Proto-Indo-European ger- →Every word from Proto-Germanic krankaz →Every word from Proto-West Germanic krank →