footnote
A note at the bottom of a page in a book or document, providing additional information or citation.
この論文では、重要な出典はすべて脚注に記載している。
In this paper, all important sources are listed in footnotes.
脚注の番号が本文と合っていない。
The footnote numbers don't match the main text.
Standard modern kanji form.
Rarely used kanji form; 註 is an older variant of 注.
Compound of 脚 (kyaku, 'foot, bottom') and 注 (chū, 'annotation, note'), literally 'footnote'. The kanji 註 is an older variant of 注.