An Etymological Dictionary of Astronomy and Astrophysics

Away from a place.

Etymology (EN): → off; cognate with Av. and O.Pers. apā “away from, from,” as below.

Etymology (PE): Ap-, from apâ-, from Av. and O.Pers.
apā “away from, from;” cf. Skt. apa “away, off;” L. ab- “from, away;” Hittite appa; Gothic af-; Ger. ab-; E. of, as above; PIE base *apo- “off, away”