(adjective) : Tarquĭtĭus, ii, m.
* An Etruscan proper name; so esp. the Etruscan Tarquitius, who wrote on divination, Macr. S. 3, 7, 2; Lact. 1, 10, 2; Plin. ind. libri 2.—Hence, Tar-quĭtĭānus, a, um, , of Tarquitius: libri,Amm. 25, 2, 7.

Male Personal name
Confirmed occurences in the Roman Empire:

• Q. Manlius Ancharius Tarquitius Saturninus (Masc, senator), ref: PIR M 0153 | PIR ID8804
• Q. Tarquitius Catulus (Masc, senator), ref: PIR T1 0016 | PIR ID12897
• Tarquitius Crescens (Masc), ref: PIR T1 0017 | PIR ID12898
• M. Tarquitius Crispus Fronto (Masc, senator), ref: PIR T1 0018 | PIR ID12899
• M. Tarquitius Priscus (Masc, senator), ref: PIR T1 0020 | PIR ID12900
• Tarquitius Priscus (Masc), ref: PIR T1 0019 | PIR ID12901
• ... Tarquitius Rufus (Masc), ref: PIR T1 0021 | PIR ID12902
• M. Tarquitius Saturninus (Masc), ref: XI 3801 | PIR ID12903