Where does “sphénoïdal” come from?

sphénoïdal (French) comes from French -ál, from Latin -ālis, from Proto-Italic -ālis — forms relational adjectives.

sphénoïdal (French): sphenoidal

Definitions

  1. sphenoidal

Ancestry of “sphénoïdal”, step by step

StepLanguageWordMeaning
1French-álal; appended to various words, often nouns, to make an adjective form; often added to words of Latin origin, but used with other words also
2Latin-ālis—
3Proto-Italic-ālisforms relational adjectives
Every word from Proto-Italic -ālis →Every word from Latin -ālis →Every word from French -ál →