Easton's Bible Dictionary (1897)
House of answers, a city in the mountainous district of Judah (Josh. 15:59). It has been identified with the modern Beit-‘Anun, about 3 miles northeast of Hebron.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
BETH-A'NOTH (house of echo), a city of Judah, Josh 15:59; perhaps Beit 'Ainun, 3 miles northeast of Hebron.