Where does “noventa” come from?
noventa (Galician) comes from Old Portuguese noveenta, from Vulgar Latin novaginta, from Latin nonaginta, from Latin nūnāgintā, from Proto-Indo-European h₁néwn̥(d)ḱomt, from Proto-Indo-European h₁néwn̥ — nine.
noventa (Galician): ninety; 90
Ancestry of “noventa”, step by step