ἐπιτελειόω
From LSJ
ἔκστασίς τίς ἐστιν ἐν τῇ γενέσει τὸ παρὰ φύσιν τοῦ κατὰ φύσιν → what is contrary to nature is any developmental aberration from what is in accord with nature (Aristotle, On the Heavens 286a19)
English (LSJ)
A complete, esp. a sacrifice, Lycurg.Fr.36 (-λεοῦν codd.) ; τὴν θυσίαν Plu.Mar.22 ; cf. ἐπιτελέωμα.