Where does “semiannular” come from?

semiannular (English) comes from English annular, from Latin ānulāris, from Latin ānulus, from Latin ānus, from Kabuverdianu anos, from Portuguese nós, from Old Portuguese enos, from Old Portuguese os — that.

semiannular (English): Having a shape resembling part of a ring or...

Definitions

  1. Having a shape resembling part of a ring or...

Ancestry of “semiannular”, step by step

semiannular traces back through two separate lines of ancestry.

via English annular

StepLanguageWordMeaning
1EnglishannularPertaining to, or having the form of, a ring;...
2Latinānulārisannular, ring-shaped
3LatinānulusA ring, especially a finger ring
4Latinānusa ring
5Kabuverdianuanoswe, first person plural
6Portuguesenóswe; us; "first-person plural objective personal...
7Old Portugueseenos
8Old Portugueseosthe
9Vulgar Latin*lōs
10Latinillōs
11Latinillethat; those; "; demonstrative pronoun "; that...
12LatinolleArchaic form of ille
13Proto-Italic*olnosthat

via English semi

StepLanguageWordMeaning
1EnglishsemiA semi-detached house; A semitrailer; a...
2Englishsemi-half; partial, incomplete; somewhat, rather,...
3Latinsēmi-half
4Proto-Indo-Europeansēmihalf; partially
Every word from Proto-Italic *olnos