ἐκχώννῡμι · ekchōnnymi — LSJ
raise a mound, to be raised on a bank, mound
raise a mound, Aq. Ez. 17.17:—usu. in Pass., to be raised on a bank or mound, τῆς πόλιος ἐκκεχωσμένης ὑψοῦ Hdt. 2.138; μάλιστα ἡ ἐν Βουβάστι πόλις ἐξεχώσθη ib. 137.
II to be filled up by the deposit
of a bay, to be filled up by the deposit of a river, v.l. ib. 11.
III to be removed
to be removed, of rubbish, PFay. 110.5 (i A.D.).