Where does “unfilterable” come from?

unfilterable (English) comes from English filterable, from English filter, from German filter, from French filtré, from Medieval Latin filtrum, from Frankish filtir, from Frankish *felt, from Proto-Germanic *felt — to cover, to wrap; skin, hide, cloth; to fold.

unfilterable (English): Not filterable

Definitions

  1. Not filterable

Ancestry of “unfilterable”, step by step

unfilterable traces back through two separate lines of ancestry.

via English filterable

StepLanguageWordMeaning
1EnglishfilterableAble to be separated by filtration; That can pass...
2EnglishfilterA device which separates a suspended, dissolved,...
3Germanfilterinflection of filtern: ## first-person singular...
4Frenchfiltrépast participle of filtrer; filtered
5Medieval Latinfiltrumfelt
6Frankishfiltir
7Frankish*felt
8Proto-Germanic*felt
9Proto-Indo-Europeanpeld-something beaten or compressed; felt
10Proto-Indo-Europeanpelh₂-to approach
11Proto-Indo-Europeanpel-to cover, to wrap; skin, hide, cloth; to fold

via English un

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