πρόχωμα

ατος, τό
A. earth thrown up before a place, dam, IG 7.3170.5 (Orchom.Boeot.); v.l. for πρόσχωμα in LXX 2 Ki. 20.15, Str. 13.1.36.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project