Meaning: River
Origin: The word POTAM originated from the Greek word POTAMOS which means River.
The words derived from this possess the above meaning.
Words
Hippopotamus = A large thick-skinned semi aquatic African mammal, with massive jaws and large tusks
Mesopotamia = Between two rivers
Potamic = Place where people trade
Ptamodromous = A migratory fish that migrates within fresh water only.
Potamology = The study of rivers
Potamophobia = A morbid fear of rivers
Potamoplankton = Plankton found in the river