Ладога

Etymology
, through liquid metathesis probably from (variant ), of  origin. Theories include:


 * borrowing from 🇨🇬 (modern 🇨🇬, compare 🇨🇬), from . The lake is known for storms.
 * if is original, from, meaning "lower river"; this would require the name to have originally referred to the river.
 * from, from + , thus "old source/spring" (as the word for "eye" is used to mean "water source" or "water spring" in e.g. some Icelandic and Estonian words).

Proper noun

 * 1) . The largest freshwater lake in Europe.