csatornáinak
The Hungarian word "csatornáinak" is the genitive plural form of "csatorna," which translates to "channel" or "drainage" in English. Therefore, "csatornáinak" specifically means "of its channels" or "of its drainage systems." This possessive form indicates something belonging to multiple channels or drainage systems.
In a geographical context, "csatornáinak" might refer to the various water channels or canals that a river