Ζεύς the obl. cases formed from *di/s, gen. Διός; dat. Διΐ, Δί [ι_], acc. Δία in Poets also, Ζηνός, Ζηνί, Ζῆνα in later doric Ζάν, Ζανός, etc.:—
I.Zeus, Lat. Ju-piter, father of gods and men, son of Kronos and Rhea, hence called Κρονίδης, Κρονίων, husband of Hera: —Hom. makes him rule in the lower air (ἀήρ); hence rain and storms come from him, Ζεὺς ὕει, etc.:—in oaths, οὐ μὰ Ζῆνα Hom., attic; so μὰ Δία, νὴ Δία, attic
II.Ζεὺς καταχθόνιος, Pluto, Il.