(adjective) : Zēno or Zēnon, ōnis, m., = Ζἠνων
* The name of several Greek philosophers.
* The founder of the Stoic school, a native of Cittium in Cyprus; form Zeno, Varr. R. R. 2, 1, 3; Cic. Fin. 3, 2, 5; 3, 4, 15; id. N. D. 2, 22, 57; Sen. Ben. 4, 39, 1; Quint. 2, 20, 7; form Zenon,Cic. Tusc. 5, 9, 27 B. and K.; Sen. Ep. 33, 7.
* An Eleatic philosopher of Elea, in Magna Groecia, Cic. Ac. 2, 42, 129; id. Tusc. 2, 22, 52; id. N. D. 3, 33, 82.
* An Epicurean philosopher, the teacher of Cicero and Atticus, Cic. Fin. 1, 5, 16; id. N. D. 1, 21, 59; 1, 33, 93 sq.; id. Tusc. 3, 17, 38.
* A Greek emperor in the fifth Christian century.—Hence, Zēnōnĭānus, a, um, , of or pertaining to the emperor Zeno, Zenonian: lex,Just. Inst. 3, 2, 3.

Personal name
Confirmed occurences in the Roman Empire:

• P. Aelius Zeuxidemus Aristus Zeno (Masc, eques), ref: PIR A 0281 | PIR ID919
• M. Antonius Zeno (Masc, senator), ref: PIR A 0883 | PIR ID1666
• M. Antonius Zeno (Masc, senator), ref: AE 1966, 511 | PIR ID1667
• M. Antonius Zeno L. Antonius Zeno (Masc), ref: PIR A 0882 | PIR ID1668
• M. Antonius Zeno L. Antonius Zeno (Masc), ref: PIR A 0882 | PIR ID1668
• M. Aurelius Cornelianus Zeno Diodorus (Masc, senator), ref: I. Perge 201 | PIR ID2499
• M. Aurelius Zeno Ianuarius (Masc, eques), ref: PIR A 1638 | PIR ID2742
• M. Aurelius Zeno Ianuarius (Masc, eques), ref: PIR A 1639 | PIR ID2743
• Ti. Claudius Zeno Ulpianus (Masc, eques), ref: PIR C 1055 | PIR ID4535
• M. Cornelius Aurelius Zeno (Masc, senator), ref: PIR C 1329 | PIR ID4838
• L. Sergius ... us Zeno (Masc, senator), ref: PIR S 0536 | PIR ID12271
• L. Sergius Zeno (Masc), ref: Rémy Carrières n. 315 (bis) | PIR ID12273
• A. Voconius Zeno (Masc, senator), ref: PLRE Zeno 9 | PIR ID14606
• Zeno (Masc), ref: PIR Z1 0005 | PIR ID14713
• Zeno, ref: Philostr. VS 607 | PIR ID14714
• M. Antonius Zeno (Masc), ref: P.J. Thonemann EA 37, 2004, 144 ff. cf. SEG 54, 1876 | PIR ID14889