English: “Virgin” — [untouched] in the normal way; “and no man had known her” — [untouched] in the unnatural way.
On the daf / in context: The doubled description is taken to exclude both normal and abnormal relations, establishing complete virginity. Parallel readings appear in midrashic sources.
Type of Learning
Custom (Bavli — exhaustive virginity from doubled language)
What Is Learned
The two phrases together teach that Rivkah was untouched both in the ordinary and in any other manner; the Torah’s doubling leaves no ambiguity.