An Etymological Dictionary of Astronomy and Astrophysics

The branch of mathematics that deals with the nature of space and the size, shape, and other properties of figures as well as the transformations that preserve these properties.

Etymology (EN): From O.Fr. géométrie, from L. geometria, from Gk. geometria “measurement of earth or land,” from → geo- + -metria, from metrein “to measure,” → -metry.

Etymology (PE): Hendesé, Mid.Pers. handâxtan “to measure,” Manichean Mid.Pers. hnds- “to measure,” Proto-Iranian ham-, → com-, + *das- “to heap, amass;” cf. Ossetic dasun/dast “to heap up;” Arm. loanword dasel “to arrange (a crowd, people),” das “order, arrangement,”