they said to him, “Then say Shibboleth,” and he said, “Sibboleth,” for he could not pronounce it right. Then they seized him and slaughtered him at the fords of the Jordan. At that time 42,000 of the Ephraimites fell.
Here Is, I. The unreasonable displeasure of the men of Ephraim against Jephthah, because he had not called them in to his assistance against the Ammonites, that they might share in the triumphs and spoils, Jdg 12:1. Pride was at the bottom of the quarrel. Only by that comes contention. Proud men think all the honours lost that go beside themselves, and then who can stand before envy?
Commenting on Judges 12:1-7
Then said they unto him, say now "Shibboleth",.... Which signifies a stream or course of water, at which they now were; and so it was as if they had bid them say,"may I, or let me, pass over the stream of this river;''so Jarchi; and this being the case, though it was done to try them, and by their pronunciation learn whether they were Ephraimites...
DISCERNED BY THE WORD SIBBOLETH, ARE SLAIN BY THE GILEADITES. (Jdg 12:4-15) the men of Gilead smote Ephraim, because they said, Ye Gileadites are fugitives of Ephraim--The remonstrances of Jephthah, though reasonable and temperate, were not only ineffectual, but followed by insulting sneers that the Gileadites were reckoned both by the western Manassites and Ephraimites as outcasts--the scum and refuse of their common stock.
Commenting on Judges 12:4-15