四十雀

Etymology
The しじゅう (shijū), in しじゅうから (shijūkara), represents the sound that the bird makes. The 四十 kanji, are purely chosen for their sound. (i.e. they are ateji) -kara/-gara, written 雀, appears in the name of some tits, although 雀 actually means sparrow, and kara/gara not being a reading of 雀. Compare, , and.

Noun

 * 1) a Japanese tit