"Kadu" is a word in HILIGAYNON

kadû - (B) Bad, wicked, evil, no good, ugly,
nasty, foul, not nice; to be or become bad,
ugly, etc. Kaayóáyo siníng bátà sang úna,
ápang karón, kay nagdakû (naghánggud),
nagkadû (nagláw-ay)! How beautiful this
child was formerly! But now, it has grown
up plain! Indì ka magbúhat sin_à, kay
kadû (maláw-ay, maláin). Don’t do that,
for it is wicked or bad. Indì ka magsúgpon
sa mga sugilánon nga kadû (maláw-ay).
Don’t take part in foul talk. Waláy sapayán
nga ginadáyaw siá sang ibán, akó sing
ákon ginakaduán (ginalaínan, ginalawayán) sa íya. Notwithstanding that others
praise him, I for my part consider him a
bad (ugly) man. Indì mo pagkaduón
(paglaw-ayón) ang pagsulát. Don’t write
badly, i.e. illegibly, indistinctly, obscenely.
(cf. láin, láw-ay, hígkò, maláin, maláw-ay,
mahígkò, kadô).