Reference for Chullin 257:20

אמר אביי הרי אמרו

For they now serve as wood.<span class="x" onmousemove="('comment',' Since it has been used for idolatrous purposes it is forbidden for all purposes, consequently it has lost its character as a foodstuff, and it is on all fours with any article that has been worshipped.');">¹²</span>

Jastrow

Jastrow