limnonym
Etymology
From limn- + -onym.
limnonym means the toponym of a lake. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
noun
- The toponym of a lake.“Importantly, however, the final *b in *sub 'water' is represented as (*)g [ɣ] in all the Turkic languages of the region, which is why it is unlikely that the Mongolian shape of the limnonym could derive from these languages […]”