noun, used as a suffix
a little more than; a little over; upwards of
Attaches to a quantity to mean 'a little more than that amount'. Used in formal or written contexts.
この橋は長さが100メートル有余ある。
This bridge is a little over 100 meters long.
会議には50人有余の参加者が集まった。
A little more than 50 participants gathered for the meeting.
noun
Archaic noun meaning surplus or remainder. Not used in modern Japanese outside of historical or literary contexts.
古文書には「有余を蓄える」といった表現が見られる。
In old documents, expressions like 'store up the surplus' can be seen.