- nit
- O.E. hnitu "louse egg, nit," from P.Gmc. *khnito (cf. Norw. nit, M.Du. nete, Du. neet, M.H.G. niz, Ger. Niß), related to Rus., Pol. gnida, Czech knida, Gk. konid-. Verb nit-pick is first attested 1962, from earlier nitpicker "pedantic critic" (1951).