muksu

Etymology
Most likely derived from, the variant muksu seems to originate from Satakunta, northern Tavastia or southern Ostrobothnia. It entered the standard language in the early 20th century.

More words beginning with mu- with the meaning "child" are attested from dialects, including, , and.

Noun

 * 1)  A kid, child.
 * 2)  A swim bladder.