פירוש על יהושע 15:36

Fourteen cities. If you count them however you will find fifteen. I say [therefore] that Tapuach and Einom are one, and this its explanation: Tapuach and its spring (עַיִן). This is Ein-Tapuach that is mentioned in the inheritance of Menashe ‘To the inhabitants of Ein-Tapuach.’²⁹See chapter 17:7.