Task: Translation
Input (English): The mariner's astrolabe was most probably introduced when the Portuguese astronomers drew up the rules for taking the latitude by the sun, that is to say, about 1480.
Output (Xhosa): Incutshe zezikhephe zaye zaziswa xa abaphuthukezi benzululwazi bebeka umthetho nokuthatha ububanzi belanga oko kukuthi ngonyaka wewaka linye linesine lamakhulu lamashumi asibhozo.