occulco — Lewis & Short
occulco (obc-), āvi, ātum, 1, v. a.obcalco.
I to tread or trample down (mostly ante-class.):
bene occulcato,Cato, R. R. 49, 2:
(cohors) occulcata pedibus,Varr. R. R. 1, 13, 4; Liv. 27, 14, 7 Drak. N. cr.