Douglas Harper's Etymology Dictionary
Usage examples of "over-long".
Over the six miles I managed to build up a comfortable picture of a soft-eyed little colt with pendulous abdomen and over-long hair.
The distance was but short, yet I found it over-long, which is not wonderful considering that the people stopped to line up as I went by and to cast upon me a shower of opprobrious derision - for Toulouse was a very faithful and loyal city.