An Etymological Dictionary of Astronomy and Astrophysics

1. The act of placing upon; the state of being placed upon.
   

2. Math. The act of placing (one geometric figure) over another so that all like parts coincide.

Etymology (EN): → super- + → position.

Etymology (PE): Barhamneheš, from
bar- “on, upon, up” (Mid.Pers. abar; O.Pers. upariy “above; over, upon, according to;” Av. upairi “above, over,” upairi.zəma- “located above the earth;” cf. Gk. hyper- “over, above;” L. super-; O.H.G. ubir “over;” PIE base *uper “over”)

• -ham- “together, with,” → syn-, + neheš, → position.