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
Archaic noun meaning surplus or remainder. Not used in modern Japanese outside of historical or literary contexts.
A little more than 50 participants gathered for the meeting.
In old documents, expressions like 'store up the surplus' can be seen.
From 有 (ゆう, 'have') + 余 (よ, 'excess'). The suffix usage developed from the noun meaning 'surplus'.