Where does “non-gradable” come from?

non-gradable (English) comes from English gradable, from English grade, from French grade, from Latin gradus, from Proto-Italic graðus, from Proto-Indo-European gʰradʰ-.

non-gradable (English): That cannot be graded

Definitions

  1. That cannot be graded

Ancestry of “non-gradable”, step by step

non-gradable traces back through two separate lines of ancestry.

via English gradable

StepLanguageWordMeaning
1EnglishgradableAble to form degrees or grades; steep, but still...
2EnglishgradeA rating; The performance of an individual or...
3Frenchgraderank; gradian
4Latingradusa step, pace; a stage, degree; a rank
5Proto-Italicgraðus—
6Proto-Indo-Europeangʰradʰ-—

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 gʰradʰ- →Every word from Proto-Italic graðus →Every word from Latin gradus →