tercera
/teɾˈθeɾa/ · A2 · noun · f
third
🎹 tercera = tercer(o) third + -a: the third note up, like English tertiary
From Latin tertia, feminine of tertius (third), the same root as English tertiary. In music it names the interval spanning three scale steps, e.g. C up to E. Feminine because it is short for la tercera nota.