▁from ▁his ▁title . ▁Although ▁in ▁fact ▁the ▁most ▁powerful ▁office ▁of ▁Roman ▁priest hood , ▁the ▁pont if ex ▁maxim us ▁was ▁officially ▁ranked ▁fifth ▁in ▁the ▁ranking ▁of ▁the ▁highest ▁Roman ▁pri ests ▁( ordo ▁sac erd ot um ), ▁behind ▁the ▁re x ▁sac ror um ▁and ▁the ▁fl am ines ▁maior es ▁( Fl amen ▁D ial is , ▁Fl amen ▁Mart ial is , ▁Fl amen ▁Qu ir inal is ). ▁ ▁The ▁word ▁" pont if ex " ▁and ▁its ▁derivative ▁" pont iff " ▁later ▁became ▁terms ▁used ▁for ▁Catholic ▁b ish ops , ▁including ▁the ▁Bishop ▁of ▁Rome , ▁and ▁the ▁title ▁of ▁" P ont if ex ▁Maxim us " ▁was ▁applied ▁within ▁the ▁Catholic ▁Church ▁to ▁the ▁Pope ▁as ▁its ▁chief ▁bishop ▁and ▁appears ▁on ▁buildings , ▁monuments ▁and ▁co ins ▁of ▁pop es ▁of ▁Renaissance ▁and ▁modern ▁times . ▁The ▁official ▁list ▁of ▁titles ▁of ▁the ▁Pope ▁given ▁in ▁the ▁An nu ario ▁Pont ific io ▁includes ▁" S up reme ▁Pont iff " ▁( in ▁Latin , ▁Sum mus ▁Pont if ex ) ▁as ▁the ▁fourth ▁title , ▁the ▁first ▁being ▁" B ishop ▁of ▁Rome ". ▁ ▁Et ym ology ▁ ▁The ▁et ym ology ▁of ▁" pont if ex " ▁is ▁uncertain , ▁but ▁the ▁word ▁has ▁been ▁used ▁since ▁Roman ▁times . ▁The ▁word ▁appears ▁to ▁consist ▁of ▁the ▁Latin ▁word ▁for ▁" bridge " ▁and ▁the ▁suffix ▁for ▁" maker ". ▁However , ▁there ▁is ▁a ▁possibility