IPA: /ˈpɛtrəˌɡlɪf/
KK: /ˈpɛtrəˌɡlɪf/
A carving or drawing made on a rock surface, often created by ancient people to depict images or symbols.
The archaeologists discovered a petroglyph that depicted animals and human figures.
Petroglyph → It is formed from "petro-" (from Greek "petra", meaning rock) and "glyph" (from Greek "glyphein", meaning to carve). The word refers to images or symbols that are carved into rock surfaces.
Think of 'rock' ('petra') being 'carved' ('glyphein') to remember that a petroglyph is a carving on a rock.