Oberhau
From Scholar Victoria
High/lit. Over Cut
15th Century
The Oberhau or High Cut in the 15th century context refers to any (long edge) cut from above.
Through a careful reading of the text it seems that these cuts typically fall at an angle rather than straight down (see Scheitelhau) and are typically directed to a specific opening (for a right hander this is generally the upper right opening, as it is the most natural cut to make.
T
16th Century
In Meyer's text this is written as the Oberhauw and is a more specific cut than the earlier tradition.