Where does “perviousity” come from?

perviousity (English) comes from English pervious, from Latin pervius, from Latin per, from Latin Ad, from Latin illic, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

perviousity (English): The quality of being pervious; perviousness

Definitions

  1. The quality of being pervious; perviousness

Ancestry of “perviousity”, step by step

perviousity traces back through two separate lines of ancestry.

via English pervious

StepLanguageWordMeaning
1EnglishperviousAdmitting passage; capable of being penetrated by...
2LatinperviusHaving a passage through; passable, traversable,...
3Latinperthrough, by means of; throughout, during
4LatinAdtoward, to
5Latinilliche, she, it, yonder, that, overthere; in that...
6Latinillethat; those; "; demonstrative pronoun "; that...
7LatinolleArchaic form of ille
8Proto-Italic*olnosthat

via English ity

StepLanguageWordMeaning
1Englishity
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Italic *olnos