This change took longer to catch on in West Germanic languages other than Old English, though it eventually did. The second West Germanic language to undergo this sound shift was Old High German. In fact, it has been argued that Old High German's was actually already , because a single had already shifted to . Furthermore, by Middle High German, that had shifted to . After High German, the shift most likely then occurred in Low Saxon. After Low Saxon, Middle Dutch began the shift, but it stopped shifting once it reached , and has kept that pronunciation since. Then, most likely through influence from German and Low Saxon, North Frisian experienced the shift.