Where does “atrial” come from?

atrial (Portuguese) comes from Spanish atrio, from Latin ātrium — a welcoming room in a Roman villa; reception hall, main court.

atrial (Portuguese): atrial pertaining to the heart's atrium

Definitions

  1. atrial pertaining to the heart's atrium

Ancestry of “atrial”, step by step

StepLanguageWordMeaning
1Spanishatrioatrium; vestibule
2Latinātriuma welcoming room in a Roman villa; reception hall, main court
Every word from Latin ātrium →Every word from Spanish atrio →