Parashas Acharei Mos · Passuk 18:22
Chabad.org — English translation + Rashi
Torah Temima points to Yevamos 83b / Sanhedrin 54a.
English: “Lyings of a woman” (plural) — indicates two forms of lying with a woman; an androgynous person is the male who possesses both, and liability applies to the male aspect.
Plural “mishkevei” and androgynous
The plural form both defines the scope of female relations and addresses the status of an androgynous individual.