Lewis & Short

ē-rŏgĭto, āre, v. freq. a. [erogo], to find out by asking, to inquire: ex aliquo, quid, etc., Plaut. Capt. 5, 1, 32; Sil. 10, 476: qui neque cujatis esset, unquam potuimus multa erogitantes sciscere, Att. Tr. 625 (Rib. Fragm. Trag. p. 217).