system-uicons/src/images/icons/undo.svg

<svg height="21" viewBox="0 0 21 21" width="21" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" transform="translate(2 7)"><path d="m.5 6.5c3.33333333-4 6.33333333-6 9-6 2.6666667 0 5 1 7 3"/><path d="m.5 1.5v5h5"/></g></svg>