[noun](phonology,orthography,grammar) the fifth row of the 五十音図(literally “table of the fifty sounds”), consisting of the five kana な/ナ(na), に/ニ(ni), ぬ/ヌ(nu), ね/ネ(ne) and の/ノ(no)
Alternative spelling ナ行
(This term, 奈行, is an alternative spelling of the above term.)