nivellieren
From LSJ
εἰργόμενον θανάτου καὶ τοῦ ἀνάπηρον ποιῆσαι → excluding death and maiming, short of death or maiming
nivellieren, das Wasser, aquam librare od. (gehörig, ganz) perlibrare. – Nivellieren, das, libratio, perlibratio aquae. – als Kunst. ars librandi. – Nivellierer, librator.