“Zephath.” The location of this city is unknown.
“devoted it to destruction.” For more on things “devoted” to Yahweh and devoted to destruction, see commentary on Josh. 6:17.
“And they called.” The Hebrew is literally, “and he called,” with the “he” being the collective tribes. This is a case where a plural subject, Judah and Simeon, is paired with a singular verb, “he called” (cp. Gen. 49:16).
“Hormah.” The city name means “destruction.”