LSJ
aor. -εκράθην [α] and -εκεράσθην, Pass., to be mixed up with, τινι Luc. Gall. 26; abs., ὕδατος κραθέντος Dsc. 2.70; metaph, Plu. Them. 29 (v.l. for ἀν-)· δύναμις δυνάμει κερασθεῖσα Vett.Val. 350.16; — Med., Ph. 2.315.
Gramm., suffer synecphonesis, Eust. 11.32.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)