“…A final pedagogical innovation concerns Aedler's use of the notion of the rootword. Aedler is the first GFL grammarian at all to be able to draw on the first theoretically underpinned grammar of German, that of Justus-Georg Schottelius (1663;McLelland 2010McLelland , 2011 and further references there). 16 Schottelius's chief innovation and key theoretical notion underlying every aspect of the grammar was the notion of what he considered to be the typically German and always monosyllabic 'rootword' (Stammwort), to which prefixes and suffixes could be added, and which, together, could be combined to 16 Schottelius's Ausführliche Arbeit von der teutschen Haubtsprache (1663) was a 1500-page compendium of current knowledge about the origin, structure and use of the German language.…”