What is y with macron?

The letter "y" with a macron is represented as "ȳ" and it is a letter in the Latin alphabet. The macron above the letter "y" denotes a long vowel sound, which means that the "y" sound is prolonged when pronounced. The letter "ȳ" is not commonly used in the English language, but it is used in some other languages such as Latvian, Livonian, and Lithuanian. In Latvian, "ȳ" represents the sound of the long "ū" vowel.