Where does “setenta” come from?
setenta (Galician) comes from Old Portuguese setaenta, from Latin septuāgintā, from Latin septmāginta, from Proto-Indo-European septm̥̄ḱomt, from Proto-Indo-European septḿ̥-dḱomt — seven-ten.
setenta (Galician): seventy; 70
Ancestry of “setenta”, step by step