limn-
combining form 
or limni- or limno-
Etymology: New Latin, from Greek, pool, marshy lake, from limnē; akin to Greek limen-, limēn harbor — more at limb 
 : freshwater lake : pond 
< limnimeter >
< limnology >
or limni- or limno-
< limnimeter >
< limnology >
limn-
Prefix
- Alternative form of limno-