Where does “Prak” come from?

Prak (English) comes from Khmer ប្រាក់, from Angkorian Old Khmer prāk.

Ancestry of “Prak”, step by step

StepLanguageWordMeaning
1Khmerប្រាក់money; silver; button orchid, string of nickels,...
2Angkorian Old Khmerprāk—
Every word from Angkorian Old Khmer prāk →Every word from Khmer ប្រាក់ →
Prak — Etymology, Origin & Word History | Etymology Explorer