Nit
Old English hnitu, of West Germanic origin; related to Dutch neet and German Nisse .
wiktionary
From Middle English nite, from Old English hnitu, from Proto-Germanic *hnits (compare Dutch neet, German Nisse, Norwegian nit), from Proto-Indo-European *-níd- (compare Scottish Gaelic sneadh, Lithuanian glìnda, Polish gnida, Albanian thëri, Ancient Greek κονίς(konís))
From Latin nitēre(“to shine”).
nit (plural nits)
nit (plural nits)
etymonline
nit (n.)
"louse egg," Middle English nite, from Old English hnitu, from Proto-Germanic *hnitu- (source also of Norwegian nit, Middle Dutch nete, Dutch neet, Middle High German niz, German Niß), from PIE root *knid- "egg of a louse" (source also of Russian, Polish gnida, Czech knida; Greek konis, genitive konidos "egg of a louse").