Abbott-Smith Manual Greek Lexicon
πρεσβύτης (G4246)
3 πρεσβύτης , -ου prose form of πρέσβυς , q.v., [in LXX chiefly for זָקֵן , Ge 25:8 , al.; also (= πρεσβευτής ), II Ch 32:31 B 1 ( מֵלִיץ ), I Mac 14:22 S, al. (v. Thackeray, Gr. , 97);] an old man : Lk 1:18 , Tit 2:2 , Phm 9 (R, txt., but v. infr.). As in LXX, also = πρεσβευτής , an ambassador : Phm 9 (R, mg., v. Lft. and ICC , in l.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain