Reference for Sanhedrin 100:18

ת"ר (ויקרא כא, ט) ובת איש כהן כי תחל יכול אפילו חללה את השבת ת"ל (ויקרא כא, ט) לזנות בחילולין שבזנות הכתוב מדבר

— but the Writ statesby playing the whore: thus Scripture speaks only of profanation through whoredom.I might think that this applies even to an unmarried woman. But her fatheris mentioned in this passage,<span class="x" onmousemove="('comment',' She profaneth her father. ');">¹⁷</span>

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