The word originally signified an "overseer" or spiritual superintendent. The titles bishop and elder, or presbyter, were essentially equivalent. Bishop is from the Greek, and denotes one who exercises the function of overseeing. Presbyter was derived from the office in the synagogue. Of the order in which the first elders or bishops were appointed, as of the occasion which led to the institution of the office, we have no record. The duties of the bishop-elders appear to have been as follows:
[N] indicates this entry was also found in Nave's Topical Bible
[B] indicates this entry was also found in Baker's Evangelical Dictionary
[E] indicates this entry was also found in Easton's Bible Dictionary
Bibliography InformationSmith, William, Dr. "Entry for 'Bishop'". "Smith's Bible Dictionary".