Someone (mang-) observes, takes note of someone or something (-en, -an).
palíiw
Imo mangpalīiw so dadakay na an maganay mana madi.
You observe his habit to see if it is good or bad.
Paliīwen na iyaw pinarin na.
He observes what he did.
Āngo paliīwan mo dyaken?
What do you observe in me?
paliīwan
The place of observation.
also pangpaliīwan
Dawriw paliīwan na sya.
There is where he observes it.