3 occurrences in 3 dictionaries
Reference: Sibboleth
Hastings
Morish
Sib'boleth
See SHIBBOLETH.
Sib'boleth
See SHIBBOLETH.
And they will say to him, Say now Shibboleth: and he will say, Sibboleth and he will not form to speak thus. And they will seize him and they will slaughter him at the passages of Jordan. And there will fall in that time of Ephraim forty and two thousand.