noun which may take the genitive case particle 'no', noun, noun or participle which takes 'suru', transitive verb
aforementioned; above-mentioned
Used in formal or written contexts to refer to something stated earlier. Often used as a noun or with の to modify a noun, and can take する to mean 'to mention previously'.
See also: 前述
先述の通り、会議は延期となりました。
As mentioned earlier, the meeting has been postponed.
Since I mentioned this issue earlier, I will omit it here.