To the original question - to my knowledge, circumcision was more of a Jewish thing, and I think it's pretty safe to say that the Greeks didn't like it. I know I keep bringing him up, but one of Antiochus IV's anti-Jewish laws was to ban circumcision...so it was a pretty direct attack on Judaism.
Also, IIRC the Ptolemies eventually accepted Egyptian eunuchs into the court but only begrudgingly.
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