emptĭto (emt-), āvi, ātum, 1, v. freq. a. [emo],
to be in the habit of purchasing , to purchase often (very rare; perh. not anteAug.), Col. 8, 10, 6; Plin. Ep. 6, 19, 15; Tac. A. 14, 41.
ēmptitō āvī, ātus, āre emo, to buy, purchase : operam, Ta. ...
An Elementary Latin Dictionary