ἐθελοθρησκεία
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
English (LSJ)
ἡ,
A will-worship, self-chosen service, Ep.Col.2.23.
German (Pape)
[Seite 718] ἡ, selbstgewählter Gottesdienst, N. T; – ἐθελοθρησκέω erkl. Suid. ἰδίῳ θελήματι σέβειν τὸ δοκοῦν.