Etymology Explorer › English

Where does “subarachnoid” come from?

Subarachnoid comes from English sub- combined with arachnoid, which derives from Ancient Greek ἀράχνη meaning spider, ultimately from Proto-Indo-European h₃ewp-.

subarachnoid (English): Located or occurring below the arachnoid mater,...

Definitions

  1. Located or occurring below the arachnoid mater,...

Ancestry of “subarachnoid”, step by step

StepLanguageWordMeaning
1EnglisharachnoidRelating to or resembling spiders; Relating to or...
2New Latinarachnoīdēs—
3Ancient Greekᾰ̓ρᾰχνοειδής—
4Ancient Greek-ειδήςlike, connected to, from the nature of, full of;...
5Ancient Greek-ήςadjective suffix
6Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
7Proto-Indo-European-ess—
8Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European -os →