Later historians used the names Philistines and Arabians interchangeably to refer to the people living south and east of Judah.
Step-by-step explanation:
Historians are people who involve in study and research about the past. They do research on the past events that relates to the human race. They collect historic data and artifacts related to their research.
They use the names Philistines and Arabians to interchangeably refer the people living in South and East of Judah. Judah was an Iron Age kingdom of the Southern Levant.
Philistines were people who lived on the south coast of Canaan. Biblical conflict with the Israelites made Philistines more famous.