(adjective) : Ŏtho, ōnis, m., = Ὄθων
* A Roman surname.
* L. Roscius Otho, a knight, a friend of Cicero, and author of the law that the knights should occupy the first fourteen seats in the theatre next to the orchestra, Cic. Mur. 19, 40; cf. Ascon. ad Cornel. p. 79 Orell.—Hence, sic libitum vano, qui nos distinxit, Othoni, Juv. 3, 159.
* M. Salvius Otho, a Roman emperor, whose biography is given by Suetonius: mollis Otho,Mart. 6, 32, 2; Juv. 2, 99.—Hence
* Ŏthōnĭānus, a, um, , of or belonging to the emperor Otho, Othonian: Othoniani duces,of the emperor Otho,Tac. H. 2, 24: partes,id. ib. 2, 33.

Male Personal name
Confirmed occurences in the Roman Empire:

• Iunius Otho (Masc, senator), ref: PIR I 0788 | PIR ID7981
• Iunius Otho (Masc, senator), ref: PIR I 0789 | PIR ID7982
• L. Salvius Otho (Masc, senator), ref: PIR S 0141 | PIR ID11814
• M. Salvius Otho (Masc, senator), ref: PIR S 0142 | PIR ID11815
• M. Salvius Otho Imp. M. Otho Caesar Aug. (Masc, senator), ref: PIR S 0143 | PIR ID11816
• M. Salvius Otho Imp. M. Otho Caesar Aug. (Masc, senator), ref: PIR S 0143 | PIR ID11816
• L. Salvius Otho Cocceianus (Masc, senator), ref: PIR S 0144 | PIR ID11817
• L. Salvius Otho Titianus (Masc, senator), ref: PIR S 0145 | PIR ID11818