Odal (or Othala) originated in the Elder Futhark, it is not contained in the Younger Futhark. It represents the “O” sound. It’s most strongly associated with inheritance, some of the laws it represented are still in place in Scandinavia today.
Reading tarot is easy to learn but difficult to master. One thing that I really want people to know is that what you get from the card is more important than its accepted meaning.