bvíthetségének
bvíthetségének is not a widely attested term in standard Hungarian or in linguistic reference works. It appears to be a misspelling or a nonce form of bíthetségének, which could be interpreted as a genitive singular form of a noun such as bíthetség. Because the exact spelling does not occur in reliable sources, there is no established definition or usage profile for bvíthetségének itself.
If read as bíthetségének, the form would function as the genitive singular meaning roughly “of its ability”
Usage and interpretation would be highly context-dependent. In theoretical or linguistic discussion, a form like bíthetségének
See also: Hungarian grammar, possessive/genitive constructions, bíthetség (if encountered in texts), and notes on common misspellings