Gets you to a parent folder, heavily inspired by the plugin upto made by driv.
With fisherman
fisher add markcial/upto
Inside /home/username/Projects/project_a/src/Core
$ upto Projects
$ pwd
/home/username/Projects
It works on directories with non ASCII characters if the charset used is UTF-8.
Inside /home/weiß/projekten/src/Core
$ upto weiß
$ pwd
/home/weiß
You can use it inside directories with spaces too.
Inside /home/User/My Documents/xls/2016/essays
$ upto "My Documents"
$ pwd
/home/User/My Documents