Reconstruction talk:Proto-Slavic/vъz

I'm wondering if it could be from the zero-grade of and commonly used with prepositions '-z' suffix (cf. . It would render, turning into , turning into.

Tell me what do you think about it.

2A00:F41:891:6239:9979:3FDC:1B76:3DDD 17:23, 10 May 2021 (UTC)Mateusz