Etymology Explorer › English

Where does “annulus” come from?

Annulus comes from Latin annulus, a diminutive of Latin anulus, derived from Latin anus meaning ring, ultimately from Proto-Indo-European h₂en- meaning narrow or tight.

annulus (English): A ring- or donut-shaped area or structure; The...

Definitions

  1. A ring- or donut-shaped area or structure; The...

Ancestry of “annulus”, step by step

StepLanguageWordMeaning
1LatinannulusAlternative form of ānulus; ring; small ring
2Latinānus—
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*olnos—

Words derived from “annulus”

  • annulotomy
  • periannulus
Every word from Proto-Italic *olnos →