altezza
/alˈtɛtsə/(also altessa, alteza) Now historical
noun
Chiefly in Italian or Spanish contexts: a person of high rank; a nobleman or (especially in later use) a noblewoman. Frequently as a title, usually with possessive and capital initial: ‘Highness’.
Origin
Late 16th century; earliest use found in Lewes Lewkenor (d. 1626). Partly from Italian altezza highness, used as title or form of address for high nobility, and partly from Spanish alteza, †altesa fact of being high, highness, used as title or form of address for high nobility, both from post-classical Latin altitia height from classical Latin altus high + -itia.