"Variant of Adeline"
The name Adelene is commonly a female name from the "Teutonic" origin.
Adelene is a variant spelling of Adeline, the French diminutive of Adele, which derives from the Germanic element adal, meaning noble. The -ene ending is an English respelling of the French -ine, and the two forms have been used alongside each other in English-speaking countries.
Adeline means "Noble, Of kind spirit.".
The pronunciation of Adelene is AD-uh-leen.