Smith's Bible Dictionary
Gi'loh. (exile). A town in the mountainous part of Judah, named in the first group with Debir and Eshtemoh, Joshua 16:51, it was the native place of the famous Ahithophel. 2 Samuel 15:12.
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Smith, William, Dr. Entry for 'iloh'. Smith's Bible Dictionary. https://www.studylight.org/dictionaries/eng/sbd/i/iloh.html. 1901.