ὠνέομαι, -οῦραι to buy: ὠνήσατο (= cl. ἐπρίατο; see Rutherford, NPhr., 210 ff.; Veitch, see word), with genitive pret., Act.7:16.† (AS)
Thayer:
1) to buy
ὠνέομαι
ōneomai
o-neh'-om-ahee
Middle voice from an apparently primary word ὦνος ōnos (a sum or price); to purchase (synonymous with the earlier G4092)
πίμπρημι
pimprēmi
pim'-pray-mee
A reduplicated and prolonged form of a primary word, πρέω preō , (which occurs only as an alternate in certain tenses); to fire, that is, burn (figuratively and passively becomeinflamed with fever)