OriginBorrowed from French nièce, ultimately from Late Latin neptia, from Latin neptis (“granddaughter”), whence also English niece.
Formsniece(indefinite, nominative, singular) · nieces(genitive, indefinite, singular) · niecen(definite, nominative, singular) · niecens(definite, genitive, singular) · niecer(indefinite, nominative, plural) · niecers(genitive, indefinite, plural) · niecerna(definite, nominative, plural) · niecernas(definite, genitive, plural)