The opposite of nadir, it's from the Arabic for "road above"
[DOC] [TLE] Zenith Star Open Sky Primero Ladies Pink ... - 1price-retailer.xyz [PAR] Sep 16, 2016 ... Zenith,  Zenith derived from Arabic Zenith Star Open samt ar-ras, the ... samt ar-
r s road above (over) one's head, the opposite of nadir) ze nith (z 'n ... estar de su 
poderzenith z n zi n n (ASTRONOMY) mto reach its zenith sun... [DOC] [TLE] the nith | Tumblr [PAR] Compare nadir.