A word for “wain” in a discussion of Elvish names for “Stonewain Valley”, more specifically “a drag or any large, flat vehicle on wheels or rollers for hauling stone or other weighty material” (PE17/28). Given its Sindarin cognate rasg, it is probably derived from ✱raskā with metathesis to *x* [ks].
Quenya
raxa
drag of any large, flat vehicle on wheels or rollers for hauling stone or other weighty material
raxa
noun. wain, *wagon
raxa noun "a drag of any large, flat vehicle on wheels or rollers for hauling stone or other weighty material" (PE17:28)