An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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follow-up observation
  نپاهش ِ پیگیر  
nepâheš-e peygir
Fr.:  

An observation which expands previous observations and aims at obtaining complementary data in particular with other telescopes/instruments.

Etymology (EN): Follow-up, from follow, from O.E. folgian, fylgan “to follow, pursue,” from W.Gmc. *fulg- (cf. O.Fris. folgia, M.Du. volghen, Ger. folgen “to follow”) + up,
O.E. up, uppe
(cf. Du. op, Ger. auf “up, upward”), from PIE base *upo “up from below;” cf. O.Pers./Av. upā;
Skt. úpa; Gk. hypo; L. sub, → hypo-; → observation.

Etymology (PE): Nepâheš, → observation; peygir, from pey “after; step,” related to pâ “foot, step, track,” → foot, + gir present stem of gereftan “to take, seize” (Mid.Pers. griftan, Av./O.Pers. grab- “to take, seize,” cf. Skt. grah-, grabh- “to seize, take,” graha “seizing, holding, perceiving,” M.L.G. grabben “to grab,” from P.Gmc. *grab, E. grab “to take or grasp suddenly;” PIE base *ghrebh- “to seize”).