Where does “número primo” come from?

número primo (Portuguese) comes from Portuguese primo, from Latin prīmus, from Latin prīsmos, from Proto-Italic priisemos, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

número primo (Portuguese): prime number

Definitions

  1. prime number

Ancestry of “número primo”, step by step

número primo traces back through two separate lines of ancestry.

via Portuguese primo

StepLanguageWordMeaning
1Portugueseprimomale cousin; prime
2Latinprīmus—
3Latinprīsmos—
4Proto-Italicpriisemosforemost, first
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed

via Portuguese número

StepLanguageWordMeaning
1Portuguesenúmeronumber; issue; size
2Latinnumerusnumber; collection, quantity; rank, position
3Proto-Italicnomezos—
4Proto-Indo-Europeannémesos—
Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Italic priisemos →