Complex sentence: The hamam, like its early precursors, Roman (at least pre-Christian) thermae, is not exclusive to men-hamam complexes usually contain separate quarters for men and women, or alternatively they are admitted at separate times.
Split into simpler sentences: The hamam, like its early precursors, Roman (at least pre-Christian) thermae, is not exclusive to men. Hamam complexes usually contain separate quarters for men and women or, alternatively, they are admitted at separate times.