the.com/rococo

means An ornate, heavily decorated style—especially in 18th-century art, architecture, and music—marked by elaborate curves, scrollwork, and lightness rather than grandeur or symmetry.

from Likely a blend of French 'rocaille' (the shell-and-pebble work used to decorate grottoes and fountains) and 'barroque' (baroque). The style itself grew out of French court taste as a lighter, curlier reaction to heavy baroque grandeur, and the name followed the shells: playful, ornamental, never quite still.