Patriotic PATRO+N a patriotic person gives financial aid for a cause or a person
Think of petronas(the oil company), which sponsors lots of teams in Fomula1.
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if u remember Patronus--from latin it will give u a lot of words like patriarch(Patri+ arch: ruled by father or eldest male and patron is also derived from the same root. well you father is giving u regular pat(encouragement)