Reference for Yevamot 148:14

ואיפוך אנא מסתברא קדש חמור שכן פנקעכ"ס

and is also forbidden to an onan.<span class="x" onmousemove="('comment',' V. Glos. ');">⁴⁶</span> On the contrary, <i>terumah</i> should be subject to the greater restriction,<span class="x" onmousemove="('comment',' V. supra note 2. ');">⁴⁷</span> since it is also subject to the restrictions<span class="x" onmousemove="('comment',' V. supra p. 497, n. 3. ');">⁴⁸</span> of<span class="x" onmousemove="('comment',' For explanation of the mnemonics v. supra p. 497 nn. 1 and 3. ');">⁴⁵</span>

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