Possibly from Persian 'stara' meaning 'star', or Hebrew 'hadassah' meaning 'myrtle'; biblical queen of Persia.
Esther is a name of great antiquity, wrapped in both linguistic mystery and luminous symbolism. It is usually linked either to the Persian word often associated with "star" or to the Semitic root behind names such as Ishtar and Astarte, suggesting brilliance, divinity, or radiance. In the Hebrew Bible, Esther is the Jewish queen of Persia in the Book of Esther, the woman whose courage and political intelligence help save her people from destruction.
That story gave the name lasting moral gravity: Esther is not merely beautiful or royal, but strategic, brave, and capable of acting decisively within the constraints of court life. Because of that biblical legacy, Esther traveled widely through Jewish and Christian naming traditions. It has been especially cherished in Jewish communities because of the festival of Purim, which commemorates Esther’s story with celebration, theater, and retelling.
In English-speaking countries the name was common in earlier generations, especially in the nineteenth and early twentieth centuries, then came to sound somewhat old-fashioned before returning in recent years as part of the revival of vintage biblical names. Its sound is gentle, but its history is formidable. Esther has also appeared in literature and modern culture as a name that can suggest seriousness, intelligence, and inward strength.
Even when it feels antique, it rarely feels frail. It belongs to a long class of names whose softness in sound conceals steel in character.