Unexpectedly, i.e., without being aware of what is about to happen.
Occurs as a sentence introducer followed by ya.
Hay numbota'a' hidin lāman ya alyo' hi un mi'id nin di umāli, ya nadnoy ya hin'alīna ya immāli.
When I was waiting (to spear) wild pigs, I thought that perhaps none would come, but after a long while unexpectedly one came.