amni- +

(Latin: stream of water, river)

amnic
Of or belonging to a river.
amnicole (verb), amnicoles; amnicoled; amnicoling
Living on sandy river banks.
amnicolist
Anyone, or any organism, that dwells by a river.
amnigenous
Born or bred in, of, or near a river.
interamnian
Lying between rivers, like Mesopotamia; enclosed by rivers.

Cross references of word families that are related directly, or indirectly, to: "river, stream": fluvio-; meand-; oceano-; potamo-; ripari-.