Judges 12:5

5 And the Gileadites took the fords of the Jordan against the Ephraimites. And it was so, that, when [any of] the fugitives of Ephraim said, Let me go over, the men of Gilead said unto him, Art thou an Ephraimite? If he said, Nay;

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 And when I saw that ye saved me not, I put my life in my hand, and passed over against the children of Ammon, and Jehovah delivered them into my hand: wherefore then are ye come up unto me this day, to fight against me?

4 Then Jephthah gathered together all the men of Gilead, and fought with Ephraim; and the men of Gilead smote Ephraim, because they said, Ye are fugitives of Ephraim, ye Gileadites, in the midst of Ephraim, [and] in the midst of Manasseh.

5 And the Gileadites took the fords of the Jordan against the Ephraimites. And it was so, that, when [any of] the fugitives of Ephraim said, Let me go over, the men of Gilead said unto him, Art thou an Ephraimite? If he said, Nay;

6 then said they unto him, Say now Shibboleth; and he said Sibboleth; for he could not frame to pronounce it right: then they laid hold on him, and slew him at the fords of the Jordan. And there fell at that time of Ephraim forty and two thousand.

7 And Jephthah judged Israel six years. Then died Jephthah the Gileadite, and was buried in [one of] the cities of Gilead.