Please see that page for discussion and justifications beyond the initial comment of: “This is an obviously impossible reconstruction as both Old Dutch and Old High German would have **ruosa. The borrowing postdates the Old High German split of WG *au. Cf. Pfeifer: "nach dem 6. Jhd.", De Vries: "is de ontlening eerst betrekkelijk laat geschied".”. You may continue to edit this reconstruction entry while the discussion proceeds, but please mention significant edits at the RFD discussion and ensure that the intention of votes already cast is not left unclear. Do not remove the {{rfd}} until the debate has finished.