ὁ θάνατος λοῖσθος ἰατρὸς νόσων → death is the last healer of sicknesses
τοὐκεῖθεν: κατ’ Ἀττικ. κρᾶσιν ἀντὶ τὸ ἐκεῖθεν, τοὐκεῖθεν ἄλσος, ὦ ξένη, τοῦδ’ Σοφ. Ο. Κ. 505, Εὐρ. Ἱκέτ. 758.
(see also: ἐκεῖθεν) on the far side of, on the further side of