An Etymological Dictionary of Astronomy and Astrophysics

Of, pertaining to, or noting a body having the property of → elasticity. See also → elastic collision, → elastic deformation, → elastic limit, → elastic scattering.

Etymology (EN): From Fr., from Gk. elastos “ductile, flexible,” related to elaunein “to strike, beat out.”

Etymology (PE): Kešâyand, from keš stem of kešidan/kašidan “to pull, drag, draw”
(Av. karš- “to draw, to plough,” karša- “furrow;” cf. Skt. kars-, kársati “to pull, drag, plough,”
Gk. pelo, pelomai “to be busy, to bustle”) + âyand agent form of âmadan “to come; to become,” from Mid.Pers. âmatan (O.Pers. gam- “to come; to go,” Av. gam- “to come; to go,” jamaiti “goes;” O.Iranian *āgmatani; Skt. gamati “goes;” Gk. bainein “to go, walk, step;” L. venire “to come;” Tocharian A käm- “to come;” O.H.G. queman “to come;” E. come; PIE root *gwem- “to go, come”).