Rashi on Exodus 20:4/רש"י על שמות כ׳:ד׳

1פסל A GRAVEN IMAGE — it is so called because it is chiselled out (the root פסל has this meaning).

2וכל תמונה lit., OR ANY LIKENESS i. e. the likeness of any thing אשר בשמים THAT IS IN THE HEAVENS.