An Etymological Dictionary of Astronomy and Astrophysics

An electronic equipment used to automatically guide a telescope during long exposures.

Etymology (EN): Autoguider from → auto- “self” + guider, from O.Fr. guider “to guide, lead, conduct,” from Germanic origin; akin to O.E. wltan “to look after” witan “to know,” akin to O.H.G. wizzan “to know,” L. videre “to see,” Gk. eidenai “to know,” idein “to see,” Av. vaêd- “to know,” Skt. veda “knowledge; finding.”

Etymology (PE): Xodrâhbar from xod-, → auto + râhbar “guide,” from râh “way” + bar, from bordan “to lead.”