The Hebrew word Achzib (H126) refers to two different places in the Old Testament: a town in Judah (Joshua 15:44) and a Canaanite city in Asher (Joshua 19:29; Judges 1:31). The name is related to kazab (H3577, falsehood) or achzab (H392, a winter stream that dries up).
In Micah 1:14, the name becomes a devastating wordplay: Achzib (the deceptive city) will prove a "lie" to the kings of Israel.
The city's name itself became a prophetic symbol. Micah's use of wordplay (paronomasia) was common in Hebrew prophecy — place names carrying embedded theological commentary on the spiritual condition of a people or the judgment that was coming.
The imagery of a winter stream (a wadi that flows in rainy season but dries up in summer) became a powerful metaphor for false security. Job used this image for friends who disappoint (Job 6:15-20), and it anticipates Christ's invitation to drink of living water that never runs dry (John 4:14).