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7th (in a sequence denoted by the iroha system)
G (note)
いろはの順番で「と」は七番目だ。
In the iroha order, 'to' is the seventh.
「と」の字が旧仮名遣いで使われていた時代もある。
There was an era when the character 'to' was used in historical kana orthography.
いろは歌の七番目にあたる文字が「と」だと知っていましたか。
Did you know the seventh character in the iroha poem is 'to'?