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Alphonsine

adjective
Al·​phon·​sine | \ (ˈ)al¦fän(t)sə̇n, -änzə̇n\

Definition of Alphonsine

: relating to the set of astronomical tables prepared in 1252 by order of Alfonso X, king of León and Castile

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First Known Use of Alphonsine

1658, in the meaning defined above

History and Etymology for Alphonsine

Spanish alfonsino, from Alfonso X †1284 king of Castile and León + Spanish -ino -ine

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The first known use of Alphonsine was in 1658

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