Learn how to say Nit correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word nit:
1the egg or young form of a louse or other parasitic insect, especially the egg of a human head louse attached to a hair.
2British a foolish person:
you stupid nit!
chiefly North American look for and criticize trivial faults; nit-pick:
the press will stop picking nits once the next president is in office
Old English hnitu, of West Germanic origin; related to Dutch neet and German Nisse