Where does “βῐβλῐοπωλεῖον” come from?

βῐβλῐοπωλεῖον (Ancient Greek) comes from Ancient Greek βῐβλῐοπώλης, from Ancient Greek βῐβλῐ́ον, from Ancient Greek βῠ́βλος — papyrus.

Ancestry of “βῐβλῐοπωλεῖον”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	βῐβλῐοπώλης	bookseller
2	Ancient Greek	βῐβλῐ́ον	small book, tablet
3	Ancient Greek	βῠ́βλος	papyrus