Latin word mirificus comes from Latin -ficus (Forms adjectives that denote bringing or making.), Latin mirus (Wonderful, marvelous, amazing, surprising, awesome.)

Detailed word origin of mirificus

Dictionary entry	Language	Definition
-ficus	Latin (lat)	Forms adjectives that denote bringing or making.
mirus	Latin (lat)	Wonderful, marvelous, amazing, surprising, awesome.
mirificus	Latin (lat)	Wonderful, amazing, miraculous.