Διο-
From LSJ
ἁρμονίη ἀφανὴς φανερῆς κρείττων → the hidden attunement is better than the obvious one, invisible connection is stronger than visible, harmony we can't see is stronger than harmony we can, unseen harmony is stronger than what we can see
English (LSJ)
(in Ep. Δῑο- metri gr.), in compds., both
A sprung from Zeus or the gods, and godlike.
Greek (Liddell-Scott)
Διο-: εὕρηται ἐν ἀρχῇ πολλῶν συνθέτων ὀνομάτων κυρίων τε καὶ προσηγορικῶν, ἅτινα σημαίνουσιν οὐχὶ μόνον τὸ γεγενῆσθαι ἐκ τοῦ Διός ἢ τῶν θεῶν, ἀλλὰ καθόλου, ἔξοχος, θεοειδής, λαμπρός, ὡς ἐν συνθέσεσι τὸ θεο-.