An Etymological Dictionary of Astronomy and Astrophysics

The cyclic process in which interstellar matter is incorporated into newly formed stars, where it undergoes nuclear processing, is thus enriched with heavier elements, and then returns into the interstellar medium through supernova explosion or stellar winds to be used in the formation of a newer generation of stars.

Etymology (EN): Astration, from astrate, from astr-, → astro-,

• noun-forming suffix -ation.

Etymology (PE): Setâreš, from setâridan (from setâré “star”

• verb-making suffix -idan) + noun-builder -eš.