Spanish, from or otherwise related to Spain, its people etc.
“L'Inquisition espagnole s'appelle ainsi parce qu'elle était la contribution -ardente- de l'état espagnol à la lutte contre l'hérésie” — The Spanish Inquisition was thus named because it was the -ardent- contribution of the Spanish state to the fight against heresy
From Spanish español or from Middle French espaignol, from Old French espagneul or espaigneul, borrowed from Old Occitan espaignol, espainol, from a Vulgar Latin *Hispaniolus, from Latin Hispānus, from Hispania. Doublet of épagneul and Pagnol.