Zero

Webster's Condensed Dictionary- A Condensed Dictionary of the English Language · 1909 · p. 710

ze'ro, n. A cipher; nothing; naught; the point from which the graduation, as of a thermometer, commences. [F. and contr. zefiro; Ar. sifr = E. cipher.] 6m. fame, far, pa or opera, fare; find, ZODIAC