An Etymological Dictionary of Astronomy and Astrophysics

Use of appropriate techniques to estimate the age of geological specimens or astronomical objects such as meteorites.

Etymology (EN): Verbal noun of date, from O.Fr. date, from M.L. → data.

Etymology (PE): Sen yâbi, from Ar. sen “age” + yâbi verbal noun of
yâftan, yâbidan “to find, discover; to obtain, acquire,” Mid.Pers. ayâftan, ayâpênitan “to reach, attain,” Manichean Mid.Pers. ‘y’b “to attain,” Parthian, Sogdian (+ *pati-) pty’b “to reach, obtain,” Av. ap- “to reach, overtake,” apayeiti “achieved, reached,” Skt. âp- “to reach, gain,”
âpnoti “reaches, gains,” Gk. hapto, haptomai “to touch, cling to, adhere to,” L. apiscor “touch, reach;” PIE base *ap- “to take, reach.”