"Gabuk" is a word in HILIGAYNON, CEBUANO

gabúk - Rotten, decayed, decomposed; to
rot, become rotten, etc. Nagabúk na iníng
soléras. This crossbeam has become rotten.
Gabúk na ang káhoy sa atóp sang ímo
baláy. The wood in the roof of your house
is rotten. Anó, ginapagabúk mo lang iníng
káhoy dirí?—Húo, pagabukón ko na lang,
kay walâ na man sing pulús. What! Are
you letting this timber rot here?—Yes, I am
just letting it rot, for it is no longer of any
use. Nagabukán ang pamúsud sang baláy.
The corner of the house is decaying. (cf.
dúnut, dunút).

gabuk n k.
o.
univalve.

gabuk a {1} for wood and fiber to be weakened from de-cay.
Nabugtù ang písì kay gabuk na diay, The rope broke be-cause it was already rotten.
{2} not well-founded, unsound.
Tinuhúang gabuk, Unsound religions.
ug balatían readily per-suaded.
Kagabuk nímug balatían!
Misálig ka man dáyun níya, How easily you are persuaded!
You believed him right away!
ug láwas tending to get sick easily.
ug tinái having a lousy stomach.
v [B2; a4] for wood or fibers to get decayed and weak.
Nagk-agabuk na kining sawug, This floor is beginning to rot.
Ang káhuyng maáyung gamítun mau kanang wà pa gabka (gabuka), The best wood to use is the kind that has not begun to decay yet.