Endways
/ˈendwaɪz/
Definition 1 of 2
Pro Tip 1/3Direction Focus
Use 'endways' to emphasize the direction someone or something is moving towards. 
She pushed the sofa endways to make room.
Pro Tip 2/3Orientation
'Endways' indicates the alignment of an object with its end leading or facing forward. 
The book fell endways onto the floor.
Pro Tip 3/3Downward Movement
Often used to describe something moving downward in its vertical or narrowest orientation. 
Raindrops raced endways along the window pane.