1) to unroll
1a) the books of the Hebrews were rolls fastened to [one or] two smooth rods and furnished with handles, so that they could be rolled up and unrolled
Part of Speech: verb
From G303 (in the sense of reversal) and G4428; to unroll (a scroll or volume): - open.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root ἀναπτύσσω; click on the second column to search for that grammatical form of the root ἀναπτύσσω; click on the third column to search for that word and grammatical form; click on the total to search for the root ἀναπτύσσω.