Where does “ignoranus” come from?

ignoranus (English) comes from English anus, from Latin ānus, from Kabuverdianu anos, from Portuguese nós, from Old Portuguese enos, from Old Portuguese os, from Vulgar Latin *lōs, from Latin illōs — that.

ignoranus (English): A person who is both stupid and rude; an ignorant...

Definitions

  1. A person who is both stupid and rude; an ignorant...

Ancestry of “ignoranus”, step by step

ignoranus traces back through two separate lines of ancestry.

via English anus

StepLanguageWordMeaning
1EnglishanusThe lower orifice of the alimentary canal,...
2Latinānusa ring
3Kabuverdianuanoswe, first person plural
4Portuguesenóswe; us; "first-person plural objective personal...
5Old Portugueseenos
6Old Portugueseosthe
7Vulgar Latin*lōs
8Latinillōs
9Latinillethat; those; "; demonstrative pronoun "; that...
10LatinolleArchaic form of ille
11Proto-Italic*olnosthat

via English ignoramus

StepLanguageWordMeaning
1EnglishignoramusA totally ignorant person—unknowledgeable,...
2Latinīgnōrāmus
Every word from Proto-Italic *olnos