Where does “100 por cento” come from?

100 por cento (Portuguese) comes from Portuguese 100, from Translingual 100 — One hundred in Arabic numerals.

100 por cento (Portuguese): To a complete extent; one hundred percent;...

Definitions

  1. To a complete extent; one hundred percent;...

Ancestry of “100 por cento”, step by step

100 por cento traces back through two separate lines of ancestry.

via Portuguese 100

StepLanguageWordMeaning
1Portuguese100Nonstandard spelling of sem
2Translingual100One hundred in Arabic numerals

via Portuguese por cento

StepLanguageWordMeaning
1Portuguesepor centopercent
Every word from Translingual 100Every word from Portuguese 100