"Dun" is a word in ENGLISH, CEBUANO

dún = dúlun.

To cure, as codfish, in a particular manner, by laying
them, after salting, in a pile in a dark place, covered with salt grass
or some like substance.

To ask or beset, as a debtor, for payment; to urge
importunately.

Of a dark color; of a color partaking of a brown and black; of
a dull brown color; swarthy.

An urgent request or demand of payment; as, he sent his debtor
a dun.

One who duns; a dunner.

A mound or small hill.

dun title before Christian names, used to address or refer to rich gentlemen, esp.
those of Spanish blood.
n rich landowner.
Mga dun nga walay kalúuy sa saup, Rich landowners that have no pity for their tenants.
v [A; a12] call s.
o.
don.

dun = karun.