Sinopis
From LSJ
τὸν ἴδιον κίνδυνον ὑποθείς → at his own risk
Sĭnōpis, ĭdis, f. (σενωπίς), terre de Sinope, sorte de rubrique : Plin. 35, 31 ; Vitr. Arch. 7, 7.
Sinopis Sinopidis N F :: kind of red ochre (pigment, found on Sinope on Black Sea); name for Sinuessa