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.
This bridge is a little over 100 meters long.
Archaic noun meaning surplus or remainder. Not used in modern Japanese outside of historical or literary contexts.
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.
In old documents, expressions like 'store up the surplus' can be seen.