διήθησις

A. straining, percolation, Epicur. Ep. 2p.45U., Thphr. CP 6.1.1, Plu. Ant. 3: pl., D.Chr. 33.6; filtering of urine in kidneys, Aret. SD 2.3; haemorrhage, κατὰ δ. Aët. 15.10.