Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
You can see the prequel Ashla in the image above, but, as Filoni said, her age didn't work for Ahsoka's character.
Source: https://www.slashfilm.com/1423409/star-wars-ahsoka-tano-name-origin/