The 1901 Jewish Encyclopedia
Name of the place where the combat between Joab's and Abner's men took place, in which all on both sides were slain (2 Samuel 2:16). It appears from the passage that the name means "the field of the sword-edges." The Septuagint translates "the field of those who lay in wait," reading , a form accepted by several of the modern critics. Thenius reads ("the field of the adversaries").
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Singer, Isidore, Ph.D, Projector and Managing Editor. Entry for 'Helkath Hazzurim'. 1901 The Jewish Encyclopedia. https://www.studylight.org/encyclopedias/eng/tje/h/helkath-hazzurim.html. 1901.