Where does “porta-copos” come from?

porta-copos (Portuguese) comes from Portuguese porta, from Old Portuguese porta, from Latin porta, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

porta-copos (Portuguese): coaster (a recipient for glasses placed over tables in order to avoid the table's humidity)

Definitions

  1. coaster (a recipient for glasses placed over tables in order to avoid the table's humidity)

Ancestry of “porta-copos”, step by step

porta-copos traces back through two separate lines of ancestry.

via Portuguese porta

StepLanguageWordMeaning
1Portugueseportadoor; entrance; gateway
2Old Portugueseporta
3Latinportagate, especially of a city; entrance, passage,...
4Proto-Indo-Europeanper-before, in front; first; to go through
5Proto-Indo-Europeanpr̥tóspassed , crossed

via Portuguese copos

StepLanguageWordMeaning
1Portuguesecoposplural of copo; glasses
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Latin porta