"Form of Dahlia"
The name Dhalia is commonly a female name from the "Norse" origin.
Dhalia is a respelling of Dahlia, the flower name. The dahlia was named for the Swedish botanist Anders Dahl by Antonio Jose Cavanilles, who published the genus in 1791. The dh spelling keeps the same pronunciation and meaning as Dahlia and does not indicate a separate source name.
Dahlia means "The town near the valley".
The pronunciation of Dhalia is DAL-yuh.