Major Temple of the Cow Goddess Hathor, it was begun in the Ptolemaic era, c.125 b.c. , making it one of the later Egyptian temples.
There were many temples built during the Ptolemaic era.  
mnli hypothesis: There were many temples built during the Ptolemaic era.   premise: Major Temple of the Cow Goddess Hathor, it was begun in the Ptolemaic era, c.125 b.c. , making it one of the later Egyptian temples.