Comment by sandreas

Instead of creating aliases for .., I use this:

  function ..() { 
    for i in $(seq 1 $1); do cd ..; done 
  }

which enables

  ..    # up 1 dir
  .. 2  # up 2 dirs
  .. 42 # up 42 dirs

Here are some more: https://pilabor.com/blog/2021/03/unix-shell-tricks/