Kitto's Popular Cyclopedia of Biblial Literature
An´akim, or Bene-Anak and Bene-Anakim, a wandering nation of southern Canaan, descended from Anak, whose name it bore (Joshua 11:21). It was composed of three tribes, descended from and named after the three sons of Anak—Ahiman, Sesai, and Talmai. When the Israelites invaded Canaan, the Anakim were in possession of Hebron, Debir, Anak, and other towns in the country of the south. Their formidable stature and appearance alarmed the Hebrew spies; but they were eventually overcome and expelled by Caleb, when the remnant of the race took refuge among the Philistines (Numbers 13:33; Deuteronomy 9:2; Joshua 11:21; Joshua 14:12; Judges 1:20).
Kitto, John, ed. Entry for 'Anakim'. "Kitto's Popular Cyclopedia of Biblial Literature". https://www.studylight.org/encyclopedias/eng/kbe/a/anakim.html.