Likely related to Slavic names such as Jarek, from roots meaning fierce or strong, with a modern feminine ending.
Jareka is likely related to Slavic names such as Jarek, from roots meaning fierce or strong, with a modern feminine ending. That creates a blend of old strength and newer stylistic shaping, which is common in contemporary name adaptation.
The result is a name that feels assertive but still melodic. Jareka has the energy of a name built to sound strong on the page and in speech, while the feminine ending softens it enough to make it fluid. It has a distinctly modern Slavic-inspired personality, with strength at its center.