Has ancient roots, but it surely originally existed only like a noun.) In Center English, the adjective of preference was "tree" or "treen," as in a "tree vessel" or "treen shoes." "Treen" subsequently came within the Old English phrase trēowen, Map of importers and exporters of forest products like Wooden https://inhomeideas.com/the-timeless-charm-of-handmade-wooden-furniture-discover-timber-foundry/