58%RatingSave Gender Masculine Usage Ancient Greek [1] Scripts Θεοδόσιος(Ancient Greek) Meaning & HistoryExpand Links Greek form of Theodosius. Related NamesFamily Tree·Details Rootstheos + dosisFeminine FormTheodosiaOther Languages & CulturesTeodosio(Italian) Teodósio(Portuguese) Feodosiy(Russian) Teodosio(Spanish) Feodosiy(Ukrainian) Name DaysName Days? Greece: January 11 Sources & References Lexicon of Greek Personal Names, available from https://search.lgpn.ox.ac.uk/browse.html?facet-nymRef=Θεοδόσιος.