"Dahilan" is a word in TAGALOG, HILIGAYNON

dahílan - Pretext, sham, pretence. Sa
dahílan nga ——. Under the pretext of ——.
Dinahilán lang níya inâ kag ang íya nga
dahílan amó ——. He put that forth as an
ostensible reason (motive) and his pretence
(claim) is ——. N.B. Dahíl and dahílan
seem to be of Tagalog origin. (cf. balíbad).

dahilî, A kind of coconut palm. It is
smaller than the ordinary variety. (cf.
guyúd).

dahilan
Definition: (noun) reason, cause