szabályával
"Szabályával" is a Hungarian word that translates to "with its rule" or "by its rule". It is the instrumental case of the word "szabály", which means "rule", "regulation", or "law". The "-val/-vel" suffix in Hungarian indicates the instrumental case, signifying the means or instrument by which something is done or affected.
For example, one might say "A törvény szabályával működik" which translates to "It operates by the rule