pagar (Verb) "to pay"
12th cent. From Latin pacare, defined in Roberts (2014) as "to pacify (after having conquered)." A verb formed from pax "peace" (see paz).
Romance: Western Vulgar Latin: Asturian pagar, Portuguese pagar, Galician pagar, Catalan pagar, French payer, Italian pacare; Eastern Vulgar Latin: Romanian împăca; Sardinian: pacare
Cf. Basque (Old Low Navarrese) bakatu "pay," (Roncalese) pakatu 'id.,' both borrowed from Latin pacare; (Bizkaian) pagau "pay," borrowed from pagar.