出典:Wiktionary
Probably an Etruscan name, of unknown meaning, maybe a numeral, cfr. (huth), "six" (または "four"); compare Latin personal names like Quintus, Sextus, Septimus, Octavius, Decimus and others. (Can this(+) etymology be sourced?) Rendered in Ancient Greek as Ὄθων.
Othō m sg (genitive Othōnis); third declension