Smith's Bible Dictionary
Igdali'ah. (whom Jehovah makes great). A prophet or holy man - "the man of God" - named once only, Jeremiah 36:4, as the father of Hanan. (B.C. before 406).
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Smith, William, Dr. Entry for 'Igdaliah'. Smith's Bible Dictionary. https://www.studylight.org/dictionaries/eng/sbd/i/igdaliah.html. 1901.