busszal
Busszal is the instrumental form of the Hungarian noun busz, meaning “by bus.” It is used to express the means or method of transportation in sentences describing travel or movement. The instrumental suffix -val/-vel attaches to a noun to indicate how an action is performed, and in the case of busz the form appears as busszal due to Hungarian phonology.
In Hungarian, means of transportation are commonly expressed with the instrumental case. The base word busz
Busszal megyek haza. (I am going home by bus.)
Busszal jutottunk a reptérre. (We got to the airport by bus.)
Ez az út busszal hosszabb, mint autóval. (This route by bus is longer than by car.)
Busszal is a general, neutral way to specify a transportation method and is common in everyday language.