Alphonsine
adjective
Al·phon·sine
(ˈ)al¦fän(t)sə̇n,
-änzə̇n
: relating to the set of astronomical tables prepared in 1252 by order of Alfonso X, king of León and Castile
Word History
Etymology
Spanish alfonsino, from Alfonso X †1284 king of Castile and León + Spanish -ino -ine
First Known Use
1658, in the meaning defined above