early 14c., from Old English tigele "roofing shingle," from Proto-Germanic *tegala (Old Saxon tiegla, Old High German ziagal, German ziegel, Dutch tegel, Old Norse tigl), a borrowing from Latin tegula "roof-tile" (source also of Italian tegola, French tuile), from tegere "roof, to cover" (see stegosaurus). Also used in Old English and early Middle English for "brick," before that word came into use.

"to cover with tiles," late 14c., from tile, n.. Related: Tiled; tiling.