UrsprungBorrowed from Latin index.
Formerindex(indefinite, nominative, singular) · index(genitive, indefinite, singular) · indexet(definite, nominative, singular) · indexets(definite, genitive, singular) · index(indefinite, nominative, plural) · index(genitive, indefinite, plural) · indexen(definite, nominative, plural) · indexens(definite, genitive, plural)