Complex sentence: Alexa is a feminine form of Alexander, which comes from the Greek Alexandros, and can be broken down into alexo meaning "to defend" and aner, meaning "man," making the both Alexa and Alexander mean defender of man.
Split into simpler sentences: Alexa is a feminine form of Alexander, which comes from the Greek, Alexandros. It can be broken down into "alexo" meaning "to defend" and "aner", meaning "man"' making both Alexa and Alexander mean defender of man.