UrsprungDeverbal from bjäbba.
Formerbjäbb(indefinite, nominative, singular) · bjäbbs(genitive, indefinite, singular) · bjäbbet(definite, nominative, singular) · bjäbbets(definite, genitive, singular) · -(indefinite, nominative, plural) · -(genitive, indefinite, plural) · -(definite, nominative, plural) · -(definite, genitive, plural)