csatornán
Csatornán is the locative singular form of the Hungarian noun csatorna. The noun csatorna can refer to a watercourse—such as a canal, ditch, or river channel—or to an artificial conduit for water or waste, including sewer or drainage systems. The locative form csatornán marks location on or along a channel or conduit, or movement along it. It is used with verbs of position or motion.
In usage, csatornán describes where something is or where something moves relative to a canal or similar
The locative case is part of a broader system of Hungarian case forms for csatorna. Other forms
In summary, csatornán denotes location on or along a canal or conduit and is a standard locative