This is the 6083rd most frequent Arabic word.
وعمق
"وعمق" translates to "and depth" in English.
In this sentence, 'بعمقٍ' is an adverb describing the manner in which the valley flows, signifying depth.
الوادي يجري بين الجبال بعمقٍ وجمالٍ.
The valley flows between the mountains with depth and beauty.
Here, 'وعمق' functions as part of a compound complementing 'تمعن', explaining the thoroughness of reading.
قرأ الكتاب بتمعن وعمق لفهم الأفكار.
He read the book with contemplation and depth to understand the ideas.
In this instance, 'وعمق' is a noun referring to the figurative depth or profoundness of the concepts discussed in the dialogue.