1) to sell
1a) of price, one into slavery
1b) of the master to whom one is sold as a slave
2a) sold under sin, entirely under the control of the love of sinning
2b) of one bribed to give himself up wholly to another's will
Part of Speech: verb
Citing in TDNT: 6:160, 846
The first is a reduplicated and prolonged form of the second (which occurs only as an alternate in certain tenses); contracted from περάω peraô (to traverse; from the base of G4008); to traffic (by travelling), that is, dispose of as merchandise or into slavery (literally or figuratively): - sell.
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 πιπράσκω; click on the second column to search for that grammatical form of the root πιπράσκω; click on the third column to search for that word and grammatical form; click on the total to search for the root πιπράσκω.