Last modified on 17 April 2014, at 03:57
From Italian pistacchio, from Latin pistacium (“pistachio”), from Ancient Greek πιστάκιον (pistakion), from πιστάκη (pistakē, “pistachio tree”), of Iranian origin; compare Kurdish pisteq, Persian پسته (pista), Middle Persian pstk' (pistag, “pistachio nut”), Old Armenian պիստակ (pistak) (from Iranian).
pistachio (plural pistachios or pistachioes)
- A deciduous tree, Pistacia vera, grown in parts of Asia for its drupaceous fruit
- The nutlike fruit of this tree