The name "Leonna" is a variant of the more common name "Leona." The spelling is unique due to the double "n" which indicates a slightly longer nasal sound at the end of the name. Using the International Phonetic Alphabet (IPA), the spelling of "Leonna" can be transcribed as /liː'ɒnə/. The first syllable is pronounced as "lee" with a long "e" sound, followed by "on" with a short "o" sound, and ending with "uh" pronounced as a schwa sound (/ə/).
The etymology of the word "Leonna" can be traced back to the Latin word "leo" which means "lion". The name is a feminized version of the name "Leon", which is derived from "leo". "Leonna" is a variant spelling of "Leon" or "Leona" and is often used as a female given name. The lion is often associated with qualities such as bravery, strength, and royalty, which may have influenced the choice of this name.