Where does “sphenethmoid” come from?

sphenethmoid (English) comes from English ethmoid, from French ethmoïde, from Ancient Greek ἠθμοειδής, from Ancient Greek -ειδής, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

sphenethmoid (English): Of or relating to the sphenoidal and ethmoidal...

Definitions

  1. Of or relating to the sphenoidal and ethmoidal...

Ancestry of “sphenethmoid”, step by step

sphenethmoid traces back through two separate lines of ancestry.

via English ethmoid

StepLanguageWordMeaning
1EnglishethmoidA square bone at the root of the nose, forming...
2Frenchethmoïdeethmoid
3Ancient GreekἠθμοειδήςLike a strainer, perforated
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;...

via English sphen

StepLanguageWordMeaning
1Englishsphen
Every word from Proto-Indo-European -osEvery word from Ancient Greek -ειδήςEvery word from Ancient Greek -ής