Judges 12:5

5 The men of Gilead captured the places where people go across the Jordan River to get to Ephraim. Some men of Ephraim weren't killed in the battle. When they arrived at the river, they would say, "Let us go across." Then the men of Gilead would ask each one, "Are you from Ephraim?" Suppose he replied, "No."

Judges 12:5 Meaning and Commentary

Judges 12:5

And the Gileadites took the passages of Jordan before the
Ephraimites
Being either swifter of foot, or going a nearer and shorter way, being better acquainted with their own country:

and it was so, that when those Ephraimites which were escaped said, let
me go over;
the fugitives of Ephraim, as before called, who ran away from the battle, made their escape, and the best of their way to the passages of Jordan, to get over there to their own country:

that the men of Gilead said unto him;
to everyone of them, as they came up,

art thou an Ephraimite?
or an Ephrathite; for so it seems those of the tribe of Ephraim were called, as Jeroboam, ( 1 Kings 11:26 )

if he said, nay; that he was not an Ephraimite;

Judges 12:5 In-Context

3 I saw that you wouldn't help. So I put my own life in danger. I went across the Jordan to fight against the Ammonites. The LORD helped me win the battle over them. So why have you come up today to fight against me?"

4 Then Jephthah called the men of Gilead together. They fought against Ephraim. The men of Gilead struck them down. The people of Ephraim had said, "You people of Gilead are nothing but deserters from Ephraim and Manasseh."

5 The men of Gilead captured the places where people go across the Jordan River to get to Ephraim. Some men of Ephraim weren't killed in the battle. When they arrived at the river, they would say, "Let us go across." Then the men of Gilead would ask each one, "Are you from Ephraim?" Suppose he replied, "No."

6 Then they would say, "All right. Say 'Shibboleth.' " If he said "Sibboleth," the way he said the word would give him away. He couldn't say it correctly. So they would grab hold of him. Then they would kill him at one of the places where people go across the Jordan. At that time, 42,000 men of Ephraim were killed.

7 Jephthah led Israel for six years. Then he died. His body was buried in a town in Gilead. Jephthah was from the land of Gilead.