50%RatingSave Gender Feminine Usage Spanish Pronounced Pron. a-RAN-tha-thoo(European Spanish) a-RAN-sa-soo(Latin American Spanish) [key·IPA] Meaning & HistoryExpand Links Spanish form of Arantzazu. Related NamesFamily Tree·Details Other Languages & CulturesArantzazu, Arantxa(Basque) PopularityDetails Last ranked #469 in 2000 Spain (by decade) Name DaysName Days? Spain: September 9 Categories Marian titles, nature, plants