Reference for Bekhorot 45:7

א"ל

like combines with like and the uncleanness is stirred up!<span class="x" onmousemove="('comment',' And combine together and thus receive uncleanness. This proves that levitical uncleanness though once neutralized can be aroused again.');">⁵</span>

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow