Where does “overdiversity” come from?

overdiversity (English) comes from English diversity, from Middle English diversite, from Old French diversité, from Latin diversitas, from Latin dīversus, from Latin dīvertō, from Latin dī-, from Ancient Greek δί- — two.

overdiversity (English): excessive diversity

Definitions

  1. excessive diversity

Ancestry of “overdiversity”, step by step

overdiversity traces back through two separate lines of ancestry.

via English diversity

StepLanguageWordMeaning
1EnglishdiversityThe quality of being diverse or different;...
2Middle Englishdiversitedifference, distinctness; deviation, diversion;...
3Old Frenchdiversité
4Latindiversitascontradiction; diversity, difference
5Latindīversusopposite
6Latindīvertōto separate
7Latindī-Two, double; di
8Ancient Greekδί-Twice, double
9Ancient Greekδιάthroughout
10Proto-Indo-Europeandwístwice, doubly; in two
11Proto-Indo-Europeandwóh₁two

via English over

StepLanguageWordMeaning
1EnglishoverDiscontinued; ended or concluded; Thoroughly;...
2Middle Englishoverriverbank, seashore, brink
3Old Englishōferriverbank, seashore, brink, edge, margin, border
4Proto-West Germanicobarover, above
5Proto-Germanicuberover; over, above
6Proto-Indo-Europeanupérabove; over
7Proto-Indo-Europeanupóunder, below
8Proto-Indo-Europeanh₃ewp-
Every word from Proto-Indo-European dwóh₁Every word from Proto-Indo-European dwísEvery word from Ancient Greek διά