From Wiktionary, the free dictionary
Compare Polish zza, Russian из-за (iz-za).
з-за • (z-za) (+ genitive case)
- from (behind)
- over
- because of, due to
- Synonyms: праз (praz), дзя́куючы (dzjákujučy)
- “з-за” in Belarusian–Russian dictionaries and Belarusian dictionaries at slounik.org