magpa-
To look intently, carefully; to scrutinize; to hold
something close and squint in order to see it.
Pagpasineng tanandia ang pagpilik tang pasi ong
belat.
She is looking
intently as she picks the empty kernels out of the
rice.
Pagpasineng ang pagbasa tenged nalipatan na tang antipara na.
He is squinting as he reads because he forgot his eyeglasses.