FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

presbuteros πρεσβύτερος — pres-boo'-ter-os — comparative of presbus (elderly); older; as noun, a senior; specially, an Israelite Sanhedrist (also figuratively, member of the celestial council) or Christian "presbyter":-- elder(-est), old.