To sort terms on the attribute edit page, just move it
Or you can try this third-party plugin - Custom Taxonomy Order
Or if you have some programming experience you can change the sort with a hook
Or sort by number:
Avalon23 - WooCommerce Products Filter
Products filter plugin for WooCommerce shop by criteria: products categories, products attributes, price, sku, title, meta fields, custom taxonomies. Powerful and friendly tool for your e-commerce business.
Get Started for free Get Premium version
