What is "antandre"

In Greek Mythology, Antandre was an Amazonian warrior. She was one of Penthesilea's twelve companions at Troy. Her name means, "She Who Precedes Men".

She was killed in the Trojan War by Achilles, according to Quintus Smyrnaeus's Fall of Troy:

But Peleus' son burst on the Amazons smiting Antandre...