וַיַּאַסְפ֨וּ פְלִשְׁתִּ֤ים אֶת־מַֽחֲנֵיהֶם֙ לַמִּלְחָמָ֔ה וַיֵּאָ֣סְפ֔וּ שֹׂכֹ֖ה אֲשֶׁ֣ר לִיהוּדָ֑ה וַֽיַּחֲנ֛וּ בֵּין־שׂוֹכֹ֥ה וּבֵין־עֲזֵקָ֖ה בְּאֶ֥פֶס דַּמִּֽים׃
Now the Philistines gathered together their armies to battle, and they were gathered together at Socoh, which belongeth to Judah, and pitched between Socoh and Azekah, in Ephes-dammim.
Rashi
in Pas-Dammim a name of a place, and in Samuel (I 17:1): “in Ephes-Dammim.”