tămĭăcus — Lewis & Short
tămĭăcus, a, um, adj., = tamiako/s,
I of or belonging to the imperial treasury or fisc.
I Adj.:
praedia,crown-lands, imperial domains, Cod. Just. 11, 68:
fundi tamiaci juris,ib. 1, 2.—
II Subst.: tămĭăcus, i, m., an occupant of crown-lands, Cod. Just. 11, 68, 1.