nhạc

Etymology 1
.

Noun

 * 1) music

Etymology 2
Attested as Northern Middle Vietnamese in the Dictionarium Annamiticum Lusitanum et Latinum (1651), a dictionary based chiefly on the Northern dialects. Related to the second element in.

Likely ultimately from  (B-S).

The initial shift indicates that this is originally a Northern form.

Noun

 * 1) a bell worn on the neck of a domestic animal