papist
‘adherent of the Pope or the papal system’
Lexical development traced from the Tamil root:
E. papeste, papyste < F. papiste < papa ‘pope’ < Ch.Lat. papa ‘bishop, pope’ < Gk. papas ‘patriarch, bishop’ similar to pappa ‘o father,’ pappas ‘father,’ pappos ‘grandfather’ < papyuh < Tamil appā