A female given name from Ancient Greek.
"Alexa was chosen as a middle name to honor her grandmother, following its roots as a female given name from Ancient Greek."
female equivalent of Alex
"She introduced herself as Alexa, noting that it was simply the feminine version of her friend's name, Alex."
Alexa is a shortened version of the female given name Alexandra, which itself derives from the Greek name Alex meaning "to defend." The addition of the suffix "-a" creates a distinct feminine form that has been adopted as an independent name in English.