χαιρεκακέω
From LSJ
πάντα χωρεῖ καὶ οὐδὲν μένει καὶ δὶς ἐς τὸν αὐτὸν ποταμὸν οὐκ ἂν ἐμβαίης → all things move and nothing remains still, and you cannot step twice into the same stream
English (LSJ)
= ἐπιχαιρεκακέω, Ph.1.314.
German (Pape)
[Seite 1324] Schadenfreude haben, gew. ἐπιχαιρεκακέω, Philo.
Greek (Liddell-Scott)
χαιρεκᾰκέω: ἐπιχαιρεκακέω. Φίλων 3. 44.