Where does “nonferruginous” come from?

nonferruginous (English) comes from English ferruginous, from Latin ferrūgineus, from Latin ferrūgō, from Latin ferrum, from Cornish -er, from English -er, from Middle English -er, from Old French -er — he, she.

nonferruginous (English): Not ferruginous

Definitions

  1. Not ferruginous

Ancestry of “nonferruginous”, step by step

nonferruginous traces back through two separate lines of ancestry.

via English ferruginous

StepLanguageWordMeaning
1EnglishferruginousContaining iron; Rusty; Rust-coloured
2LatinferrūgineusOf a dark color unrelated to iron rust, dark blue, dark violet
3Latinferrūgōrust (or the colour), specifically iron-rust or its colour
4Latinferrumiron; any tool made of iron; fight, clash
5Cornish-erForms masculine agent nouns
6English-erA person or thing that does an action indicated...
7Middle English-eragentive suffix; agent noun suffix
8Old French-erAlternative form of -ier, verbal suffix;...
9Latin-ārefirst conjugation
10Proto-Italic-āōForms primarily denominative verbs
11Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
12Proto-Indo-European-yétiCreates intransitive, often deponent,...
13Proto-Indo-Europeanyé-
14Chichewaiyehe, she

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 Chichewa iyeEvery word from English -erEvery word from Proto-Indo-European -yéti