1727, "ornamental groove in sculpture or architecture," from French glyphe (1701), from Greek glyphē "a carving," from glyphein "to hollow out, cut out with a knife, engrave, carve," also "to note down" on tablets, from PIE root *gleubh- "to cut, slice, tear apart." Meaning "sculpted mark or symbol" (as in hieroglyph) is from 1825. Related: Glyphic.