(i) = through, all over.
perrumpere = break through.
perspĭcēre = look through.
(ii) = thoroughly, to completion.
perdiscere = learn thoroughly.
perfungi = go through a duty, discharge.
permagnus = very large.
PRAE = in front.
(i) = (of place) before, in front.
praefĭcere = put at the head of.
praeses (sĕdeo) = guardian.
(ii) = (of time) before, too soon.
praediscere = learn beforehand.
praevĕnire = outstrip.
(iii) = before others, in comparison, greatly.