tuplet
A music term for a group of notes played in the time normally taken by a different number of notes, such as a triplet (3 notes in the time of 2).
This measure contains a triplet.
A number is written above the tuplet.
Compound of 連 (ren, 'linked') + 音符 (onpu, 'musical note'), referring to a group of notes linked together in a tuplet.