Lewis & Short

partĭcĭpātus, ūs, m. [participo], a sharing, participation, partnership (post-class.), Spart. Sev. 8 fin.: ad participatum imperii Severum vocans, id. Pesc. 5: filio Diadumeno in participatum ascito, Capitol. Macr. 5; Mart. Cap. 1, § 20.