Where does “unfadable” come from?

unfadable (English) comes from English fadable, from English fade, from Middle English fade, from Middle Dutch vade, from Old French fade, from Vulgar Latin fatidus, from Latin fatuus, from Latin fātus — to speak, to be talking.

unfadable (English): That does not fade

Definitions

  1. That does not fade

Ancestry of “unfadable”, step by step

unfadable traces back through two separate lines of ancestry.

via English fadable

StepLanguageWordMeaning
1EnglishfadableCapable of fading, or losing its colour
2EnglishfadeWeak; insipid; tasteless
3Middle Englishfade
4Middle Dutchvadeweak, faint, limp
5Old Frenchfadeweak, witless
6Vulgar Latinfatidus
7Latinfatuusfoolish, silly, simple; stupid; insipid,...
8Latinfātusspoken, said, told, foretold, related, predicted; having or had spoken, etc
9Latinfor"defective"; I speak, talk, say
10Proto-Italicfāōrspeak
11Proto-Indo-Europeanbʰéh₂tito speak, to be talking

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European bʰéh₂ti