Smith's Bible Dictionary (1863)
(serpent city), a name which, like many other names of places, occurs in the genealogical lists of Judah. (1 Chronicles 4:12)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
IRNA'HASH (serpent city). In the margin it is called "the city of Nahash." 1 Chr 4:12. Jerome regards it the same as Bethlehem, but this is not probable. Van de Yelde proposes to identify the town with the village and ruins called Deir Nahhaz, east of Beit-Jibrin, on the road to Hebron.