küllő

Etymology 1
Probably borrowed from a language before the times of the Hungarian conquest of the Carpathian Basin (at the turn of the 9th and 10th centuries).

Noun

 * 1) spoke part of a wheel
 * 2) gudgeon (any fish of genus )

Etymology 2
An onomatopoeia imitating the sound of the bird.

Noun

 * 1)  woodpecker any bird of the genus