Definition of altezza in English:

altezza

Pronunciation /alˈtɛtsə/

noun

(also altessa)
historical
  • 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.