to heap up besides:
2.to choke up with mud, silt up, τὸν ἀγκῶνα [τοῦ Νείλου] id=Hdt.: absol., ὁ ποταμὸς προσχοῖ ἀεί continually forms fresh deposits, Thuc.
II.to throw earth against: Pass., ᾗ προσεχοῦτο [τὸ τεῖχος] where [the wall] had earth thrown against it, id=Thuc.