noun
festival in honor of Daikokuten
A festival dedicated to Daikokuten (大黒天), the god of wealth and prosperity. The reading ねまつり comes from 子 (ne, 'rat', the zodiac sign associated with Daikokuten) and 祭り (matsuri, 'festival').
See also: 大黒天
この神社では毎年子祭りが行われる。
The Ne-matsuri festival is held at this shrine every year.
Daikokuten is the deity honored by this festival; 子祭り is the event itself.
From 子 (ne, 'rat', the first sign of the Chinese zodiac, associated with Daikokuten) + 祭り (matsuri, 'festival'). The festival is held on the day of the rat.