An Etymological Dictionary of Astronomy and Astrophysics

General: Time that is to be or come hereafter.
In a → space-time diagram, those events that could be influenced by a given element.

Etymology (EN): M.E. futur, from O.Fr., from L. futurus “about to be,” irregular suppletive future participle of esse “to be.”

Etymology (PE): Âyandé “future” agent noun/adjective of âmadan “to come, to occur, to become,” from Mid.Pers. âmatan;
O.Pers. gam- “to come; to go,” Av. gam- “to come; to go,” jamaiti “goes;” Proto-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.”