Likely a modern invented name, possibly influenced by the word tomorrow or Tamara-like forms.
Tomorra is likely a modern invented name, possibly influenced by the word tomorrow or by Tamara-like forms. That gives it a forward-looking or gently futuristic feel, even if the exact lineage is not fixed.
It belongs to the family of names that use familiar sounds to create an original identity. As a name, Tomorra feels soft and imaginative. The resemblance to tomorrow gives it a sense of promise or motion, while the overall shape keeps it warm and name-like rather than purely lexical.
It sounds contemporary, slightly lyrical, and open-ended. Tomorra feels like a name with a horizon in it.