Reference for Sanhedrin 101:12

אתיא זמה זמה

'I might think that this applies even to an unmarried woman. But does notthe Writ state: 'by playing the whore'? — This is taught on the view ofR. Eliezer, who maintained: If an unmarried man cohabits with an unmarriedwoman without conjugal intent, he renders her aharlot.<span class="x" onmousemove="('comment',' Whom a priest may not marry (Lev. XXI, 7); hence in his view whoredom includes pre-marriage unchastity. ');">¹¹</span>

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