az·i·muth
noun/ˈæzɪməθ/
/ˈæzɪməθ/
(astronomy)- an angle related to a distance around the earth’s horizon, used to find out the position of a star, planet, etc.
方位角，地平经度（用以找出恒星、行星等的方位） Word Originlate Middle English (denoting the arc of a celestial circle from the zenith to the horizon): from Old French azimut, from Arabic as-samt, from al ‘the’ + samt ‘way, direction’.