Middle High German
Some Western Swiss German dialects like Bernese German have preserved the old diphthongs , but the other dialects have like Standard German or . Zürich German, and some other dialects distinguish primary diphthongs from secondary ones that arose in hiatus: Zürich German from Middle High German versus Zürich German from Middle High German ; Zürich German 'leg, woman' from Middle High German "bein, vrouwe" versus Zürich German 'free, building' from Middle High German "frī, būw".