"Ambahan" is a word in HILIGAYNON, CEBUANO

ambáhan - Song, hymn, festive song,
vocal music, chant, canticle, lay, ditty; to
sing hymns, to praise in song.
Nagaambáhan silá or nagakánta silá sing
mga ambáhan. They are singing hymns.
Magambáhan kitá sa Diós or ambahánan
ta ang Diós. Let us sing hymns to God. Alá,
iambáhan ta sa Mahál nga Bírhen iníng
kalantáhon. Now then, let us sing this song
in praise of the Blessed Virgin.

ambáhan v [A; b(1)] go s.w.
in a large group.
Nag-ambáhan ang mga táwung nanagbù sa bag-ung kardinal, The people trooped in to greet the new cardinal.
n large moving group.