From Chinese 美 (měi) meaning "beautiful" or 梅 (méi) meaning "Chinese plum" (species Prunus mume), as well as other characters that are pronounced similarly.
Probably from Latin maior meaning "greater". This was the name of a Roman goddess of spring, a companion (sometimes wife) of Vulcan. She was later conflated with the Greek goddess Maia. The month of May is named for her.
Luna
Gender:Feminine
Usage: Roman Mythology, Spanish, Italian, Portuguese, English
Means "the moon" in Latin (as well as Italian, Spanish and other Romance languages). Luna was the Roman goddess of the moon, frequently depicted driving a white chariot through the sky.
French diminutive of Anne 1. It has also been widely used in the English-speaking world, and it became popular in America in the late 1950s due to the fame of actress Annette Funicello (1942-2013).