Stephanian

adjective

Ste·​pha·​nian

stə̇ˈfānēən,

-nyən

: of or relating to a division of the Carboniferous

Word History

Etymology

French stéphanien, from (Sanctus) Stephanus (Latin form of Saint-Étienne, city in central France where a carboniferous basin representing this division is found) + French -ien -ian

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