Where does “nondiagnosable” come from?

nondiagnosable (English) comes from English diagnose, from English diagnosis, from Latin diagnōsis, from Ancient Greek διάγνωσις, from Ancient Greek διαγιγνώσκω, from Ancient Greek δῐᾰ-, from Ancient Greek διά, from Proto-Indo-European dwís — two.

nondiagnosable (English): Not able to be diagnosed

Definitions

  1. Not able to be diagnosed

Ancestry of “nondiagnosable”, step by step

nondiagnosable traces back through 3 separate lines of ancestry.

via English diagnose

StepLanguageWordMeaning
1EnglishdiagnoseTo determine which disease is causing a sick...
2EnglishdiagnosisThe identification of the nature and cause of an...
3Latindiagnōsis
4Ancient Greekδιάγνωσιςdistinguishing
5Ancient Greekδιαγιγνώσκωto discern; distinguish, discern
6Ancient Greekδῐᾰ-apart; through, across; through; in different...
7Ancient Greekδιάthroughout
8Proto-Indo-Europeandwístwice, doubly; in two
9Proto-Indo-Europeandwóh₁two

via English able

StepLanguageWordMeaning
1EnglishableEasy to use; Suitable; competent; Liable to
2Middle Englishablecapable, expert, qualified, skilful, competent
3Old Frenchableable; capable
4Latinhabilisable to have/possess/maintain; having sufficient...
5Latin-ilis-ile
6Proto-Italic-elis
7Proto-Indo-European-elis
8Proto-Indo-European-lósForms agent nouns from verbal roots

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European dwóh₁Every word from Ancient Greek δῐᾰ-Every word from Proto-Indo-European dwís