An Etymological Dictionary of the German Language/Annotated/Mette

by Friedrich Kluge

Mette, feminine, ‘matins,’ from Middle High German mętten, męttene, męttî, męttîn, feminine, ‘early mass,’ late Old High German męttîua, mattîna, feminine; from Middle Latin mattîna for matutîna hora (hence also Old Irish maten). From Latin matutînum are derived French matin (matines), and Italian mattino. Compare Messe, None, and Vesper.