The name "Jilianne" is spelled with three syllables: /dʒɪliˈæn/. The first syllable starts with the "dʒ" sound, followed by the short "i" sound. The second syllable has the long "e" sound, followed by the "æ" sound. The third syllable starts with the short "a" sound, followed by the "n" sound. This name is a variation of the name Julianne, which means "youthful" or "downy." The spelling of this name may vary, but the pronunciation remains the same.
The name "Jilianne" does not have a clear etymology as it seems to be a modern, invented name. It does not have a well-known origin or cultural significance like many traditional names do. It's possible that "Jilianne" is a variant or a combination of other names, such as "Jillian" and "Julianne", both of which have different etymologies. "Jillian" is believed to have originated from the name "Juliana", which is derived from the Roman family name "Julius", possibly meaning "youthful" or "downy-bearded". "Julianne" is the feminized version of the name "Julian", which is derived from the Roman name "Julius" as well, and may also mean "youthful" or "downy".