Nothing New Under the Sun
Of course, "Blanchard's" typology is subject to Stigler's law of eponymy.
No, I'm not talking about earlier Western sexologists like Robert Stoller, Magnus Hirchfield, or Blanchard's mentor Kurt Freund.
I'm talking about Abu Zakaria Yahya Ibn Sharaf al-Nawawī writing in the 13th century CE:
A mukhannath is the one ("male …