七なな箇か年ねんMeaningsPrenominal1. septennial; recurring every seven yearsOther spellings七ななカ年ねん七ヵ年ななかねん七ヶ年ななかねん七ななか年ねん七ケ年ななかねん７なな箇か年ねん７ななカ年ねん７ヵ年ななかねん７ヶ年ななかねん７ななか年ねん７ケ年ななかねんUsage share unknownKanji used七seven箇item年year